Why were viet cong forces constantly on the move during the vietnam war?

They endeavored to evade US troops and planes.

Explanation:

They were a guerrilla battling power. Their objective was to strike, at that point blur into the wilderness. American air predominance implied that in any expanded fight, the Viet Cong were exceedingly liable to be devastated by overpowering air control. The Viet Cong and the North Vietnamese People's Army of Vietnam (PAVN) utilized efficient coordinations techniques to supply and prepare their battling forces.By never remaining in a similar place, they made it substantially harder to pinpoint their situations keeping in mind the end goal to crush them in extremelydecisive fight

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