What resulted from the use of guerilla warfare by North Vietnamese troops?

Many South Vietnamese troops defected and joined the North.
Many South Vietnamese civilians assisted the communist forces.
Heavy machinery like tanks favored by US troops were rendered ineffective.
US troops were able to easily identify Viet Cong forces hiding among civilians.

Heavy machinery like tanks favored by US troops were rendered ineffective.

Explanation:

american political culture includes a plenty of focus views and preferences. not all westerns experience the same opinions, of course, but the large preponderance promises to these general ideas, including equality, justice, freedom, individualism, integrity, and difference.

the united states is a democratic republic. residents elect representatives to governmental, nation, and local administration; those deputies create the regulations that command u.s. community. although emptiness in u.s. law needs it, in usage, the administrative system is ruled by executive factions.

answer; implicit memories explicit;