In the early 19th century, the area and brown (1) was known as the

gadsden purchase
oregon trail
louisiana purchase
northwest ordinance

Northwest Ordinance - passted in 1787 to regulate the settlement of the Northwest territory.

The Gadsen Purchase included nearly 30,000 square miles in present day southern Arizona.

The Oregon Trail was a 2,170 mile wagon route from Missouri to Oregon.

The Louisiana Purchase was approximately 827,000 square miles west of the Mississippe River.

uniform, random, and clumped.

explanation:

mark brainliest if this : )