What tactics did McCarthy use in his campaign against Communists?

McCarthyism helped increase tension within the US, because during the Cold War, the US (democracy) was fighting against the USSR (communism). The US did not want communists to spread into the US, for fear that they may be infiltrated and defeated that way

Explanation:

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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.

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.