Answer:
Colonization
Explanation:
Well the Monroe Doctrine basically said, if the Europeans try to mess with anything in the western hemisphere then they would get slapped, so you could say it was a moral opposition towards colonization.
Answer:
Marbury v. Madison is important because it established the power of judicial review for the U.S. Supreme Court and lower federal courts with respect to the Constitution and eventually for parallel state courts with respect to state constitutions.
Explanation:
To protect the lines of supply between New Orleans and Texas
The name for this idea is "Domino Effect" - this is a theory that says that if one country falls to Communism the neighboring countries would also fall to Communism, much like pieces of Dominos fall when a neighboring piece fell.
This theory was important in the Foreign politics of the US during the cold war.
