22. Why did attempts at peace with the Native Americans fail?

After the Piegan massacre, in 1870, military officers were barred from holding elected or appointed offices. During Grant's first term, American Indian Wars decreased. By the end of his second term, his Peace policy fell apart.

Which is the Peace Treaty ^

Explanation:

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From,

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for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

a is the final : )