Laissez-faire is a French term meaning "let do" or "leave alone". It is an economic philosophy that advocates minimal government intervention in the economy.

The railroad industry experienced the most growth during the Gilded Age. The total mileage of railroads in the United States increased from 30,000 miles in 1870 to over 200,000 miles in 1900.

Andrew Carnegie was the most prominent industrialist of the Gilded Age. He founded the Carnegie Steel Company, which became the largest steel company in the world.

The Panic of 1893 was a severe economic crisis that occurred in the United States in 1893. It was the worst economic crisis in the United States since the Panic of 1873.

The Republican Party was dominant during the Gilded Age. The party won every presidential election from 1868 to 1892.

The Progressive Movement was a social movement that emerged in the Gilded Age to address the problems of poverty and inequality. The movement advocated for government regulation of business, social welfare programs, and labor rights.

Theodore Roosevelt is associated with the Progressive Movement. He was the president of the United States from 1901 to 1909 and was a leading advocate for progressive reforms.

The Sherman Antitrust Act was passed in 1890 to protect workers from unsafe working conditions. The law prohibited monopolies and cartels, which were common in the Gilded Age.

The Pure Food and Drug Act was passed in 1906 to regulate the food and drug industry. The law prohibited the sale of adulterated or misbranded food and drugs.

The Sixteenth Amendment to the United States Constitution was passed in 1913 to establish a federal income tax. The amendment allowed the federal government to tax incomes without apportioning them among the states.

The Federal Reserve Act was passed in 1914 to create the Federal Reserve System. The Federal Reserve System is the central bank of the United States and is responsible for regulating the money supply and setting interest rates.

The Keating-Owen Act was passed in 1916 to prohibit child labor. The law prohibited the interstate shipment of goods that were produced by child labor.

The Department of Labor Act was passed in 1917 to establish the United States Department of Labor. The Department of Labor is responsible for enforcing labor laws and promoting the welfare of workers.

The Nineteenth Amendment to the United States Constitution was passed in 1920 to give women the right to vote. The amendment prohibited states from denying the right to vote to citizens based on sex.

The Social Security Act was passed in 1935 to establish the Social Security System. The Social Security System provides retirement, disability, and survivor benefits to workers and their families.