Many nations had already abolished slavery.
Let me know if you want to know why.
Answer:
Chief Justice Marshall
Explanation:
In Marbury v. Madison, Chief Justice Marshall ruled in a way that established the doctrine of judicial review.
Answer:
the second two are correct
Answer:
They wanted to expand their terratory
Explanation:
Since the US was almost complete, and only a few indian tribes lived in plantations made by the US goverment. The goverment wanted to make America whole so that is why they decided to wage war in the 19th century.