The prehistoric group of nomadic hunter, gatherers that used tools like the Clovis point. •paleo
•archaic
•woodland
•mississippian

Paleo

Explanation:

The prehistoric group of nomadic hunter and gatherer used tools like the Clovis point were the Paleoindian. Clovis points date roughly from approximately 13,500 to 12,800 calendar years ago. Clovis Points were prehistoric tool made by native peoples of North America. The design of this tool had a resemble of a large spearhead, use as a weapon for hunting animals.

b. ensure mutual protection from communism.

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nothing did. japan is wierd and always was.