US History: Reconstruction to WWI

Between 1865 and 1917, America transformed more dramatically than in any half-century before or since. Slavery ended. The economy industrialized. Cities exploded. Millions immigrated. The Supreme Court and Congress reshaped what "equality" meant — and often fell short. By the end, the US emerged from its second-tier role into a global power. This is the era AP US History calls Periods 6 and 7.

After the Civil War, the federal government tried to integrate the South back into the Union — and to secure rights for the 4 million formerly enslaved people. Key actions:\n\n- **13th Amendment (1865)**: abolished slavery\n- **14th Amendment (1868)**: granted citizenship to all born in the US; promised equal protection under law\n- **15th Amendment (1870)**: prohibited denying the vote based on race\n- **Freedmen's Bureau**: provided food, schools, and legal aid to formerly enslaved people\n- **Reconstruction Acts**: divided the South into military districts until states drafted new constitutions\n\nFor a brief period, Black Americans held political office across the South — the first Black senators and representatives. But by 1877, federal troops withdrew, and white Southern Democrats (the "Redeemers") reversed much of the progress.

Mark Twain called this era the "Gilded Age" — glittering on the surface, rotten underneath. Features:\n\n- **Industrial revolution**: railroads, steel, oil. Andrew Carnegie, John D. Rockefeller, J.P. Morgan built empires and fortunes.\n- **Robber barons vs. captains of industry**: debate about whether these men built America or exploited it (both answers have truth).\n- **Labor unrest**: Homestead Strike (1892), Pullman Strike (1894). Workers organized unions; owners often crushed them with police and troops.\n- **Urbanization**: millions moved to cities. Tenements, child labor, unsafe factories became visible scandals.\n- **Immigration**: 20 million immigrants arrived between 1880 and 1920, mostly from southern and eastern Europe. They rebuilt the American working class.\n- **Jim Crow laws**: Southern states systematically disenfranchised Black Americans and legalized segregation, culminating in *Plessy v. Ferguson* (1896), which declared "separate but equal" constitutional.

In response to Gilded Age problems, progressives — reformers, journalists, politicians — pushed for change. Their achievements:\n\n- **Muckraking journalism**: Ida Tarbell exposed Standard Oil; Upton Sinclair's *The Jungle* led to food safety laws\n- **16th Amendment (1913)**: income tax (replacing tariffs as main government revenue)\n- **17th Amendment (1913)**: direct election of senators\n- **18th Amendment (1919)**: Prohibition (later repealed)\n- **19th Amendment (1920)**: women's suffrage — after decades of activism\n- **Labor laws**: child labor restrictions, minimum wage laws, 8-hour workday\n- **Antitrust actions**: breaking up monopolies (Standard Oil in 1911)\n- **Conservation**: Theodore Roosevelt expanded national parks and forests\n\nProgressivism wasn't a single party — both Democrats and Republicans had progressive wings. And it had blind spots: many progressives supported segregation and eugenics.

The Spanish-American War (1898) was America's international coming-out party. In a short war, the US took Puerto Rico, Guam, and the Philippines from Spain. The Philippine-American War (1899–1902) that followed was brutal and killed hundreds of thousands of Filipinos — a dark chapter Americans rarely discussed.\n\nBy WWI (1914–1918), the US had become an industrial giant and, after joining the war in 1917, a decisive global force. President Wilson's Fourteen Points and the League of Nations proposal (which the Senate rejected) tried to reshape global politics — foreshadowing the UN a generation later.

A strong historian sees both what changed AND what stayed the same. In this period:\n\n**Changed**: slavery ended; industry replaced agriculture as the economic center; waves of immigration reshaped the population; women got the vote; federal government expanded; the US became a world power.\n\n**Stayed the same**: racial injustice (slavery ended, but Jim Crow replaced it); wealth inequality (different oligarchs, same system); Native Americans continued to lose land; women still couldn't practice many professions; the Senate remained undemocratic by design.\n\nThe AP exam rewards students who can name both sides.

The half-century from Reconstruction to WWI is where modern America took shape — and where many of our current tensions began. Understanding how the country emerged from the Civil War, how industry transformed it, how immigrants rebuilt it, and how reformers tried to tame it, is the foundation for understanding 20th-century America and the country we live in today.