Name 3 different historical events that helped establish the territorial boundaries of present-day New Mexico.

A) The Adams-Onis Treaty

B)The independence of Mexico from Spain and the Treaty of Limits.

C) The Treaty of Guadalupe-Hidalgo.

Explanation:

In February 1819, Spain gained control of all of the present-day New Mexico and the Adams-Onis Treaty between the United States and Spain established the boundary between the two countries. The boundary began from the gulf of Mexico to the Pacific Ocean.

Mexico gained independence from Spain on August 1821 and present-day New Mexico became a part of the Republic of Mexico. It wa then declared a territory of the Republic in 1824 an included the western part of Texas.

Due to series of boundary disputes between Texas and Mexico, there was a state of war between the US and Mexico leading to the US taking control of New Mexico. On July 1848, the Treaty of Guadalupe-Hidalgo, ended the war and new boundaries were established.

no one really purchased it themselves, it was all america, they had debates etc.

it would be a. that is the only one i could think of