How did the United States acquire the area labeled number 4 on the map?
A. Mexico ceded the territory to the U. S. after the Mexican-American War.
B. Mexico sold the territory to the U. S. in the Gadsden Purchase.
CD
C.
The U. S. annexed Texas several years after it had gained its independence from Mexico.
D.
The U. S. purchased Texas from Great Britain after the War of 1812.

The U.S. annexed Texas several years after it had gained its independence from Mexico.

Explanation:

Number 4 on the map labels the territory claimed by Texas when it was annexed by the United States in 1845. Texas had gained its independence from Mexico in 1836, and it wanted to be part of the U.S. Because Texas would have been admitted to the Union as a slave state, Congress did not immediately annex the area. Texas was an independent country known as the Republic of Texas until it was admitted to the Union in 1845.

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