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Answer:

For the most part, the Viet Cong fought essentially a guerrilla war of ambush, terrorism, and sabotage; they used small units to maintain a hold on the countryside, leaving the main population centres to government authorities.

Answer:

[tex]\huge \tt \: ✎union \: and \: intersection✎unionandintersection

\large \rm \: the \: set \: of \: all \: elements \: of \: \: two \: sets\: is \: the \:\large \green{{ \sf{union.}}}}

{} \ _{ \red{ \heartsuit}}[/tex]

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