The answer is the North Vietnamese took over the South Vietnam spreading communism Southward and this proved the domino theory (if one country come under the influence of communism, the surrounding countries would follow).
Answer:
Hitler used economic woes and strife with local jewish buisness, popular social discontent and political discord to take absolute power in Germany beginning in 1933.
be sure to paraphrase
I think the constitution prohibits the enactment of ex post facto.
the answer should be true