Assignment Task: Answer the question clearly and directly, with plentiful of clear and specific evidence: laws, events, individuals, movements, etc. - whatever supports your argument. Remember that historians are like lawyers: we build our cases on evidence. Be specific and data-driven. Use the evidence to build a sustained and convincing analysis, showing why you are right.
American history since 1877 can be divided in periods of rapid change and intermittent periods of relative calm. Among notable periods of rapid and substantial change, one can identify the Progressive Era (ca. 1880-1920), the New Deal (1933-1945), and the post-World War II years (ca. 1945-1968). Observing politics, economy, society, culture, gender and race alike, which period produced the most substantial change?