Which Statement Is True About the Area Stretching from the Western

Which statement is true about the area stretching from the western boundaries of the existing states to the Mississippi River in the 1780s?

A) More than 100,000 Indians inhabited the region.
B) The Portuguese controlled the region.
C) Land companies pushed for more governmental regulation of the land.
D) Congress was careful to protect the land rights of Indians who had fought on the American side during the war.
E) Many felt that unregulated settlement was the only way to produce peace with the Indians.