The answer would be mixed economy
It stopped the German advance into the Soviet Union and marked the turning of the tide of war in favor of the Allies.
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1. The students took part in the Freedom Summer on 1964. The activity was for voter registration which was a part of a large effort by different civil right groups.
2. By Flexible response, Kennedy hope to prepare the nation to fight any size or type of conflict.
A summary of the actions of the many aggressive regimes in Europe of the past several centuries would include mostly religious "holy" wars and a desire for territorial expansion.