How did the expansion of the Vietnam war lead to the growth of counterculture?

The hippie counterculture, which emerged in the late 1960s and grew to include hundreds of thousands of young Americans across the country, reached its height during this period of escalation of American involvement in the Vietnam War, and subsided as that conflict drew to a close.

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free points always

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain