How did the Vietnam War influence the foreign policy of Richard Nixon? A.He established a policy that would prevent any expansion of communism. B.He developed a more limited and strategic policy for the use of American troops. C.He sought trade alliances with all nations, including communist nations. D.He advocated for a return to isolationism.

Answer :

In general, "B.He developed a more limited and strategic policy for the use of American troops," due to the fact that that the war was wildly unpopular in the US.

Answer:

The correct answer is B. The Vietnam War influenced the foreign policy of Richard Nixon as he developed a more limited and strategic polict for the use of American troops, called "Nixon Doctrine".

Explanation:

The Nixon Doctrine was proposed at a press conference in Guam on July 25, 1969 by Richard Nixon. Nixon declared that the United States hoped from that moment on that its allies would take charge of their own military defense. The Doctrine was argued based on the search for peace through an association with American allies.