Who came to settle the land after the explorers in the Midwestern states?

Homesteaders

Explanation:

Homesteaders were individuals or family who claim land under Homestead Act of 1862, which they had to farm for 5 years and then they could claim it as their own practically with no money. Homestead Act of 1862 helps to settle people to the Midwestern states especially immigrants from Europe.Majority of Midwestern settlers were of central and northern European descent especially Germans and Norwegians.

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.