A prepositional phrase typically begins with a preposition, that is a word that specifies the relationship between two concepts, such as "near" or "away"
Here the preposition is "with" and the phrase is "with the proper help" - answer B (the "with" specifies a relation between "they" and "help"
The correct answer is A) They had differing ideas about a powerful national government.
After the Revolutionary War, states were consistently worried about the power of the national (central) government. Considering that one of the biggest reasons for breaking away from England was a tyrannical central government, helps to understand why there were differing ideas about the structure of the American govenrment when the US became independent.
This is why the United States, under the Articles of Confederation, had a small and weak central government. Some states liked this while other states felt that this central govenrment was too weak to function effectively.
Answer:
An increase in nuclear weapons by both the United States and the USSR
The Cold War caused the United States to boycott the U.N. Security Council
Military conflict in Korea
Nato and the Warsaw Pact alliances were created