I believe that the most fitting answer for this question would be that the Crusades were called to fight against the Muslims. In 1095, the Pope claimed that Muslims were destroying the Holy Land and called on European Christians to put an end to it. They sought to regain control over Jerusalem.
The correct one would be the 3rdone
<span>Mutually Assured Destruction, which was associated with the cold war.
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On May 12, 1949, one of the first Cold War crises came to an end. The Soviet Union decides to lift the 11-month-long blockade against West Berlin. The three western sectors of Berlin were unified as West Berlin and placed under West German administration.