By meeting the challenges of the prairie's harsh climate and poor farming conditions, homesteaders eventually settled
50% of America's urban areas, or more than 10 million acres.
50% of America's West Coast, or 35 million acres.
20% of America's East Coast, or more than 5 million acres.
10% of all American land, or more than 270 million acres.

10% of all American land, or more than 270 million acres.

Explanation:

The Homestead Act of 1862 is one of the most important pieces of legislation in the history of the United States. Signed into law by Abraham Lincoln in the midst of the Civil War, this act would eventually result in the transfer of 270 million acres of public lands - or 10 percent of the area of the United States - to private individuals.

the phenomenon that would be cited as evidence of increased economic interdependence between europe and the americas is  the development of mercantilism.

this theory suggests that the wealth of a country depends on its economic assets, or capital.

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the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.