What pact is created in May 1955?

Warsaw Pact

Formally known as the Treaty of Friendship, Co-operation and Mutual Assistance, the Warsaw Pact was created on 14 May 1955, immediately after the accession of West Germany to the Alliance.

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;