A. Native Americans adapted to diverse geographical environments and developed complex societies
Answer: As cold war tensions mounted, the US became gripped by a Red Scare. Many feared that communists were infiltrating the country, attempting to destroy the American way of life.
Answer:
I think it might be A or D if I'm wrong I'm sorry
Answer:
states the u.s. will aid any free government resisting an armed minority.. we will help anyone that is anti communist.(free). if soviet invades a nation we could help that nation and fight soviets without actually fighting them ourselves. implanted when soviets moved into Greece and turkey (300 million dollars in aid provided to them).. this makes soviets mad and we tell them ab Truman doctrine.
Explanation: