United States History
What this domain tests
The United States History domain asks you to connect major eras and explain change over time, causation, and the experiences of diverse groups. Expect questions from colonial settlement and the Revolution through the Constitution, westward expansion, the Civil War and Reconstruction, industrialization, the Progressive Era, the New Deal, the civil rights movement, and modern foreign policy.
Core rules and concepts
- Colonial regions differed because of geography and labor needs: New England had family farms, towns, and commerce; the Chesapeake and southern colonies relied on cash crops and enslaved labor.
- The Declaration of Independence (1776) asserts natural rights and lists grievances; the Constitution (1787) creates a federal republic with separated powers, federalism, and a Bill of Rights added in 1791.
- Conflict over slavery's expansion drove sectionalism and the Civil War. The Thirteenth, Fourteenth, and Fifteenth Amendments abolished slavery, defined citizenship and equal protection, and protected voting rights.
- Industrialization and immigration transformed cities; Progressive reformers addressed political corruption, labor conditions, and public health; the New Deal expanded federal responsibility for economic security.
- The civil rights movement used litigation, grassroots protest, and legislation such as the Civil Rights Act of 1964 and Voting Rights Act of 1965.
Worked example: Why did the Fourteenth Amendment matter for federalism? Before the Civil War, the Bill of Rights mainly limited the federal government. The Fourteenth Amendment's due process and equal protection clauses placed new limits on state governments. Later Supreme Court decisions used the due process clause to apply most Bill of Rights protections to the states, a process called incorporation. The reasoning: identify the constitutional text, connect it to state action, and note that incorporation happened gradually, not all at once.
Traps that cost marks
Do not confuse the Declaration with the Constitution, or the Fourteenth Amendment with immediate nationwide equality. Avoid single-cause explanations for the Civil War, such as states' rights alone. Keep chronology straight: Reconstruction precedes the Progressive Era, and the New Deal precedes the modern civil rights movement. Distinguish laws from executive orders and court decisions.