The answer would be B) These inventions led to increased business productivity and economic growth
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Caring smart understanding works hard<span />
Answer:
d
many people and groups protested for social change
Answer:
A
Explanation:
The United States grew under the direction of James Knox Polk, the 11th president. throughout his mandate as president, the United States annexed Texas, The Oregon Territory, and gained significant areas due to Mexico's defeat in the Mexican American war, this area being known as the Mexican Cession which included the present day states of California, Nevada, and Arizona amongst many others.
George F. Kennan was the American diplomat who stressed the need to contain communism within its borders.
