Florida had become a burden to Spain, which could not afford to send settlers or garrisons, so the Spanish government decided to cede the territory to the United States in exchange for settling the boundary dispute along the Sabine River in Spanish Texas.
Answer:Harriet Tubman was enslaved, escaped, and helped others gain their freedom as a “conductor" of the Underground Railroad. Tubman also served as a scout, spy, guerrilla soldier, and nurse for the Union Army during the Civil War.
The writings of Adam Smith set forth the theory of capitalism.
"Separate but equal" was a way for the Supreme Court to legally segregate schools based on race. However, this was later ruled as unconstitutional because many people believed that black students still did not receive the same education opportunities as white students.