Answer:
Manifest Destiny was the idea that white Americans were divinely ordained to settle the entire continent of North America.
The ideology of Manifest Destiny inspired a variety of measures designed to remove or destroy the native population.
US President James K. Polk (1845-1849) is the leader most associated with Manifest Destiny.
Manifest Destiny inflamed sectional tensions over slavery, which ultimately led to the Civil War.Explanation:
The immigrants contributed significantly to United States history from the period 1900 to 1940. Immigration was widely spread in the North while the South (aside from slave immigration) remained mostly American born citizens...about 14.5% of the population were immigrants and it was a huge force for the labor industries
They were busy dealing with the great depression
C. hope it helps man have fun in college
The second one. He was a critical link between military and French alliance