Answer: federalism because I got it right on my test
Explanation:
Answer: (B) The Roman Empire's legal system is a major influence on modern European Court Systems.
I just did this question and I got it right
B) Preventing the spread of communism
The role of the united state in Vietnam war began after the world warII. US mission was to restrict the communist domination that was present in Vietnam government, this was because communism could easily spread to the Neighbouring countries which would result to a change in the balance of power throughout Southeast Asia.