Harry Truman was president in 1945
New states were added, population grew in the territories, and cattle-ranching industry grew.
The Homestead Act provided a reward and reason for settlers to move West. With expanding population in the East, the West offered more space and cheap land. Many white immigrants moved West, willing to take the risk of settlement. This population increase caused more innovation in the West as well as an expansion of States in the Union.
I think the answer is <span>B. equality of all persons</span>
<span>Korean War...that is your answer
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