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1870
Economic problems: With the acceleration of the Industrial Revolution, the United States faced increasingly serious economic problems, such as the widening gap between the rich and the poor, and the damage to workers' rights and interests.
Labor movement: Labor organizations began to emerge, with workers striking for better wages, hours, and working conditions.
President Grant: During his presidency, Ulysses Grant tried to address economic and social problems through a number of policies -
1880
Immigration: A large influx of European immigrants to the United States provided labor for industrialization and urbanization.
Jim Crow laws: Southern states passed a series of racially discriminatory laws to deprive African Americans of their civil rights.
Farmers' problems: With the fall in agricultural prices, farmers are facing serious economic difficulties -
1890
Pullman strike: Railroad workers went on strike to demand better working conditions.
Sherman Antitrust Act: To curb corporate monopolies, the U.S. government passed the Sherman Antitrust Act.
Progressive Movement: Reform-oriented movements began to emerge, focusing on social issues, political corruption, and consumer rights -
1900
Women's rights: Women began to fight for the right to vote and other equal rights.
New Deal: President Theodore Roosevelt introduced a series of reforms, including strengthening the environment, protecting consumers, and cracking down on corporate monopolies.
Racial issues: Issues of racial discrimination and racial violence persisted, such as the 1903 Wilmington railroad strike and race riots -
1918
War mobilization: The United States participated in World War I and experienced large-scale war mobilization at home.
War economy: The war fueled the prosperity of the U.S. economy, but it also exacerbated social problems such as inflation and labor shortages.
Changing roles for women: Women took on more work during the war, including entering traditionally male-dominated industries -
1920
Presidents Harding and Coolidge: During the terms of Presidents Harding and Coolidge, the United States experienced a period of relative peace and prosperity known as the Roaring Twenties.
Economic boom: With the stock market boom and the rise of consumerism, the United States experienced an unprecedented economic expansion.
Cultural change: Jazz, film, fashion, etc., have all undergone great changes.
Women's suffrage: In 1920, American women gained the right to vote.