The Basketmaker I people a. are assumed to exist, but there is very little evidence. b. lived in large groups. c. were farmers and used irrigation. d. built stone houses. ILL MARK BRAINLIEST

Explanation:

They were farmers.

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the answer is d. tariffs were raised by america's trading partners after the smoot-hawley tariff act, decreasing exports, and declining job rates.

the answer is c.

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