ESSAY PROMPT

Analyze Tarbell’s criticism of Standard Oil and the growth of trusts. Explain how developments from 1865 to 1904 enabled concentrated corporate power, then trace how similar criticism contributed to a specific effect between 1904 and 1920, such as antitrust action or regulation.

Practice adapted from: College Board · AP Us History 2023 Set 1 ↗ · AP U.S. History 2023 Set 1, Section I, Part B, Question 2, page 4

Between 1865 and 1904, industrial growth and a national market gave corporations new ways to concentrate economic power, while the expansion of trusts provoked criticism of how that power was acquired and used. Ida Tarbell’s account of Standard Oil made that criticism especially forceful: she argued that the company’s organization and control of transportation helped it dominate the oil industry, and she condemned the secret pursuit of special privileges that, in her view, undermined fair competition and public judgment. Her writing did not single-handedly create antitrust policy. Rather, it helped make corporate conduct a public concern that reformers and politicians could act upon. Industrialization and new business strategies enabled trusts to grow; Tarbell exposed the consequences she saw in Standard Oil; and her criticism contributed to a reform climate in which federal antitrust measures, including the Clayton Antitrust Act of 1914, became possible.

The background to this concentration was the Second Industrial Revolution. Industrialization, technological change, urban growth, increasing investment capital, a growing labor supply, and a wider national market altered the scale at which American businesses could operate. New production strategies and legal forms enabled firms to coordinate activities and expand beyond the limits of local enterprise. These developments did not make every corporation a trust, but they created conditions in which a company could gather control over a much larger share of an industry. The important change was not simply that businesses became bigger: expanding markets and production made it increasingly feasible to organize economic activity nationally. As firms reached across regions, their decisions could affect competitors, workers, consumers, and public officials far beyond one community.

The different strategies of Carnegie Steel and Standard Oil show how consolidation could occur through control at distinct points in a business. Carnegie used vertical integration, coordinating raw materials, transportation, manufacturing, and distribution under one organization. Rockefeller’s Standard Oil, by contrast, pursued horizontal integration by buying competing refineries. The first strategy joined successive stages of production; the second reduced the number of independent competitors in the same line of business. Both could strengthen a corporation’s ability to coordinate operations and shape its market. Critics alleged that dominant trusts could inflate prices, pressure rivals, and bribe politicians. These allegations are best understood as criticism of the power trusts could exercise, not proof that every large company used every such tactic. The organizational methods help explain how concentration developed, while particular accusations about a firm require separate evidence.

In the margins Why this passage works +
“The first strategy joined successive stages of production; the second reduced the number of independent competitors in the same line of business.”

This sentence distinguishes vertical from horizontal integration by showing how each could concentrate corporate power through a different business mechanism.

Tarbell’s 1904 criticism focused on Standard Oil’s structure and the means by which it gained advantage. She described the company as exceptionally well organized and argued that its control over transportation helped it remain dominant in the oil industry. That argument connected corporate organization to practical market power: control of a crucial means of moving oil could make it harder for rivals to compete on equal terms. Tarbell also raised an ethical objection. She criticized a commercial culture that, she believed, sanctified business success and excused deception and secret efforts to obtain special privileges. Her critique was therefore broader than a complaint that one company had grown large. It challenged both the process by which dominance was achieved and the public willingness to treat success as justification. In doing so, she made the conduct of trusts a question of fairness and accountability.

In the margins Why this passage works +
“Her critique was therefore broader than a complaint that one company had grown large.”

This sentence identifies the essay’s interpretive point: Tarbell objected not only to corporate size but also to the methods she believed produced and protected dominance.

That argument entered a longer conflict over whether government could restrain powerful corporations. In the 1870s, farmers organized through the Grange and pressed for laws regulating railroads and other companies. In 1877, the Supreme Court upheld state regulation of certain businesses in cases including Munn v. Illinois, reasoning that businesses affecting the public could be subject to public control. This development shows that concern over concentrated economic power predated Tarbell’s book. It also illustrates a practical difficulty: railroads and corporations operated across state borders, while regulation was often divided among states. As business became national, local rules alone could be difficult to apply consistently. Tarbell’s later work gave an older concern a vivid focus in Standard Oil, but it entered a debate already shaped by farmers’ protest and disputes over regulatory authority.

Between 1904 and 1920, antitrust policy developed through political action as well as public criticism. Theodore Roosevelt argued for federal control of corporations when control was needed, although he generally favored regulating corporations over breaking them apart and pursued trusts selectively. His successor, William Howard Taft, took a more court-centered approach and pursued more monopoly breakups during his four years in office than Roosevelt had during seven. These differences make it misleading to treat trust-busting as an automatic result of one writer’s work: political leaders disagreed about what action was appropriate, and approaches shifted across administrations. Still, criticism helped sustain corporate power as a public issue. Workers, farmers, and progressive writers drew attention to the effects of trusts, adding pressure on politicians. Tarbell contributed by presenting Standard Oil as a specific case through which readers could consider the relationship between corporate organization and unfair advantage.

A specific consequence of this reform climate was the federal antitrust action of 1914. The Clayton Antitrust Act strengthened the earlier Sherman Act by addressing practices including mergers and price discrimination. Congress also established the Federal Trade Commission in 1914 under separate legislation, the Federal Trade Commission Act; the commission was intended to help enforce federal competition policy. These were distinct laws and institutions, not a single act creating the FTC as part of the Clayton Act. The measures reflected a broader political response to concentrated corporate power. Their passage was not a direct enactment of Tarbell’s recommendations, nor does it show that her writing alone caused them. Rather, her criticism helped expose how dominance might be built and defended, while political debate, organized pressure, and presidential decisions translated wider concern into federal policy.

In the margins Why this passage works +
“These were distinct laws and institutions, not a single act creating the FTC as part of the Clayton Act.”

This clarification distinguishes the two 1914 laws and avoids incorrectly describing the Federal Trade Commission as a creation of the Clayton Act.

The growth of Standard Oil and the later expansion of antitrust policy are connected, but not mechanically linked. Industrialization, national markets, and strategies such as integration made extraordinary concentration possible. Tarbell criticized Standard Oil’s control of transportation and the secret privileges she believed underpinned its dominance, turning the trust’s practices into a public ethical and political issue. Her criticism contributed to a larger reform movement alongside pressure from workers and farmers and action by political leaders. The Clayton Antitrust Act and the separately established Federal Trade Commission offer concrete examples of federal response by 1914, but they emerged from a wider political process, not from one journalist acting alone. This qualified conclusion recognizes both the influence of public criticism and the multiple forces required to turn criticism into policy.

Reasoning and structure

The essay follows the assignment’s chronology: it explains the economic and organizational conditions behind trusts, analyzes Tarbell’s criticism, and then traces a qualified connection to federal antitrust action. Its causal claim is deliberately limited. Tarbell helped make corporate practices a public issue, but farmers, workers, political leaders, and earlier regulatory debates also mattered. The distinction between the Clayton Antitrust Act and the separate Federal Trade Commission Act keeps the account of the 1914 reforms precise.

A CLOSER LOOK

The revision, explained

BEFORE

Congress also created the Federal Trade Commission to help enforce the act.

AFTER

Congress also established the Federal Trade Commission in 1914 under separate legislation, the Federal Trade Commission Act; the commission was intended to help enforce federal competition policy.

The revision separates the Federal Trade Commission Act from the Clayton Antitrust Act, correcting the conflation while preserving the point that the FTC formed part of the broader federal response to concentrated corporate power.

NOW IT’S YOUR TURN

Try the idea.

Choose a sentence in the essay that connects criticism to a later policy. Rewrite it to explain Tarbell’s contribution while distinguishing it from the roles of other reformers and political leaders.

See the self-check +

For example: “Tarbell’s reporting helped keep corporate power in public debate and, alongside pressure from workers and farmers and decisions by political leaders, contributed to the reform climate in which Congress passed the Clayton Antitrust Act in 1914.” This identifies a contribution without claiming that Tarbell alone caused the law.

Sources and evidence