1. Dred Scott v. Sandford
2. Bleeding Kansas
3. Missouri Compromise
4. Kansas-Nebraska Act
5. Compromise of 1850
It gave them more power because before they didn't have much power.
Answer: The United States declared war on Britain in 1812. It did so because Britain refused to stop seizing American ships that traded with France—Britain's enemy in Europe.
Explanation:
Homo sapiens migrated out of Africa about 60,000 years ago