Question 20 - Subtest I: History and Social Science Practice Test for the CSET Multiple Subjects Test

It allowed for the future purchase of territory in the west.

The people living in the territory were incorporated as citizens, thus increasing workforce, productivity, and tax base for the U.S.

The size of the U.S. nearly doubled and the port of New Orleans came under U.S. control.

The country was immediately able to control the continent from the Atlantic to the Pacific.