By the time the Korean War ended in 1953, please help

Describe the factors that led to the truman doctrine as well as how the doctrine affected the us foreign policy

Which of the following was not an effect of westward expansion? a. native american tribes suffered confinement on reservations. b. native americans learned new techniques of irrigation. c. many native americans died from the spread of disease. d. natural resources were depleted from misuse by white settlers.

Who was the first explorer to sail all the way down the mississippi river