What are some notes for U.S history

1. The American Revolution was a conflict between the Thirteen Colonies and Great Britain that began in 1775 and ended in 1783 with the Treaty of Paris.

2. The Constitution of the United States was ratified in 1788 and established the framework for the federal government.

3. The Louisiana Purchase of 1803 doubled the size of the United States.

4. The Civil War was fought between the Union and the Confederacy from 1861 to 1865.

5. The Industrial Revolution began in the United States in the late 19th century and transformed the nation into an economic powerhouse.

6. The United States became a world power in the 20th century, participating in two world wars and the Cold War.

7. The civil rights movement of the 1950s and 1960s sought to end racial discrimination and secure equal rights for African Americans.

8. The United States has been a leader in science and technology since the mid-20th century.