The Pinta, the Santa Maria, and the Nina were the three ships that Christopher Columbus sailed to the Americas in 1492.

The Arawaks were the first Native American tribe that Columbus encountered in the Americas.

Smallpox, measles, and typhus were all diseases that the Europeans brought to the Americas.

The Treaty of Paris was the treaty that ended the French and Indian War.

The Enlightenment, the Great Awakening, and the French and Indian War were all factors that led to the American Revolution.

The Declaration of Independence was the document that declared the American colonies' independence from Great Britain.

George Washington was the first President of the United States.

The War of 1812 was the war that the United States fought against Great Britain in 1812.

The Abolitionist Movement was the movement that led to the abolition of slavery in the United States.

The Spanish-American War was the war that the United States fought against Spain in 1898.

The Harlem Renaissance, the Great Migration, and the Brown v. Board of Education Supreme Court Case were all factors that led to the Civil Rights Movement in the United States.

The Civil Rights Act of 1964, the Voting Rights Act of 1965, and the Fair Housing Act of 1968 were all laws that outlawed racial segregation in the United States.

The Seneca Falls Convention, the National Woman Suffrage Association, and the American Woman Suffrage Association were all factors that led to the women's suffrage movement in the United States.

The Nineteenth Amendment to the United States Constitution granted women the right to vote.

The Sierra Club, the Wilderness Society, and the National Audubon Society were all factors that led to the environmental movement in the United States.