What kinds of activities made up the economies of the american indian groups?

Farming, fishing, craft making and hunting-gathering made up the economy of American Indian groups. Native Americans after the arrival of the Christopher Columbus and that of the Europeans were referred to as the American Indians. These American Indians formed their tribes on the basis of the area they inhabited and their culture, customs, religion and language.

these conditions long with a short growing season made farming difficult.

explanation:

the north has a climate of warm summers and snowy cold winters. the terrain is rocky, hilly, and not good for farming.

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