In the study of Manifest Destiny, why is the Louisiana Purchase treaty an important document?
A.) It provides an insightful history of New Orleans before it joined the United States.
B.) It indicates just how prosperous the United States was becoming.
C.) It illustrates the relationship between the United States and France.
D.) It shows the extent to which the United States was claiming land westward.
In the Manifest Destiny, the Louisiana Purchase treaty is an important document because it shows the extent to which the United States was claiming land westward. The Louisiana Purchase Treaty happened on April 30, 1803. The correct answer is D.