Indiana Social Studies USH.2.1

Social StudiesGrades 9–12Development of the Industrial United States: 1870 to 1900

The Standard

Explain the causes of the Industrial Revolution and its social, political, and economic outcomes.

2026 Indiana Academic Standards: K-12 Social Studies · Students are expected to trace and analyze chronological periods and examine the significant themes and concepts in U.S. History. Students develop historical thinking and research skills using primary and secondary sources to explore topical issues to understand the cause for changes in the nation over time.

Teacher's field guide

What This Standard Means

What Students Need to Do

Students explain why U.S. factories and large businesses grew after 1870. They trace how that growth changed work, cities, wealth, and government policy.

What Mastery Looks Like

Students connect railroads, natural resources, new technology, investment, and a growing workforce to factory growth. They explain results with examples such as crowded tenements, corporate trusts, labor strikes, and the Sherman Antitrust Act.

Common Misconceptions

Students may see railroads only as a result of industrial growth, missing how they also helped factories get materials and sell goods. They may assume factory work benefited everyone or that antitrust laws quickly ended monopolies.

How to Assess It

Exit ticket: Explain how railroads helped factories grow, then name one social, one economic, and one political result between 1870 and 1900.

Lesson moves

Ways to Teach It

  1. Give pairs cards labeled rail expansion, immigrant labor, corporate trusts, crowded tenements, and Sherman Antitrust Act; have them sort causes and effects.

  2. Have students write four sentences answering: How did railroads help steel mills grow, and who gained or lost from that growth?

  3. Run a card match with rail expansion, factory jobs, tenements, trusts, and antitrust laws; teams defend two cause-and-effect links.

  4. Compare a current local warehouse shift listing with an 1890 factory schedule; have students identify two working conditions and one difference.

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