The Following Questions Refer to the Image Below

The following questions refer to the image below.

North Wind Picture Archives / Alamy
William Clark sketch of Flathead Indians in his diary of the Lewis and Clark expedition,1804-1806
-The immediate impact of the Louisiana Territory was that it

A) doubled the size of the United States.
B) allowed for slavery to enter the territory.
C) led to war between the United States and the Iroquois.
D) brought about conflicts with Spain, Britain, and France.