The militia when in actual service in time of war or public danger.
Answer:
The right answer is B.
Explanation:
Isolationist views were strong in the USA after the end of WWI. The Senate refused to ratify the Treaty of Versailles and the adhesion treaty of the League of Nations. Politicians and the public opinion were afraid of any agreements that could mean commitments in foreign conflicts.
C. the twenty-first amendement
D. The growing political influence of immigrant groups in the colonies
