Imperialism , let me know if if right
The first emperor, Augustus, reduced the size of the senate from 900<span> members to </span>600<span>, even though there were only about </span>100<span> to </span>200<span> active senators at one time.
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The answer to the question is B
The United States wasn't a part of it and the countries that were a part of it didn't take the idea of collective security seriously. When countries attacked others nothing was done.
