It was the "B. Plebeians" who made up the majority of the roman population and became citizen-soldiers during the time of war, since these were the "common" people as opposed to the elite.
The great awakening was about making people individualists when it came to religion. Moving away from institutionalized religion and into the realm of self-reflection and religion being a personal thing. Since the religion was usually tied to the country, making it a personal thing could have implications that governing of a state should be a personal thing, that is that people should not have a monarchy and rather a republic.
Answer:
They could have decreased protectionism. Protectionism means that they limited free trade between nations and restricted trade of foreign goods. Protectionism is widely accepted as maybe the biggest reason for the development of the Great Depression and thus if the US had decreased it, it most likely would not have happened at all.
The answer is B, none of the other ones work