Answer:
The corollary stated that not only were the nations of the Western Hemisphere not open to colonization by European powers, but that the United States had the responsibility to preserve order and protect life and property in those countries.
A because that's when people had no money and we lost a lot of jobs....
One such sentence would be this: "Great Britain now operates with a heavily limited monarchy, since it is Parliament, not the king or queen in power, that holds most of the power."
The answer is A. The actors, the masses, peasant unions, and soviets, were all the same with unresolved issues.