Answer: settlement of the great plains
Explanation:
Vietnam War is definitely one I'm not sure about the other two though
Answer:
On December 18, 1865, the Thirteenth Amendment was adopted as part of the United States Constitution. The amendment officially abolished slavery, and immediately freed more than 100,000 enslaved people, from Kentucky to Delaware.
Explanation:
hope it helps
Answer:
impossible
Explanation:
Lincoln didn't want states to secede.
To prevent the spread of European ideas and culture in China