Imagine that you are a historian writing a summary of the U.S.-Mexican War. Using what you have learned, complete the text below.

Question

During the 1840s, many Americans supported _______, or the belief that God wanted the United States to spread across all of North America. In 1844, James K. Polk was elected U.S. president, and he shared the belief that the United States should expand.
A boundary dispute between Mexico and ______ led to the U.S.-Mexican War. After the war, the United States added a large piece of land called the ______. Debates over ______ in this territory helped lead to the Civil War.

Choices are:

abolitionism
Mexican Cession
Louisiana Purchase
slavery
Texas
taxes
Oregon
Manifest Destiny

Answer 1

During the 1840s, many Americans supported Manifest Destiny, or the belief that God wanted the United States to spread across all of North America. In 1844, James K. Polk was elected U.S. president, and he shared the belief that the United States should expand. A boundary dispute between Mexico and Texas led to the U.S.-Mexican War. After the war, the United States added a large piece of land called the Mexican Cession. Debates over slavery in this territory helped lead to the Civil War.