Question

name 3 different historical events that helped establush the terrirol boundaries of presentday new Mexico

Answer 1

Adams–Onís Treaty, 1819.

American Civil War, 1861–1865. New Mexico Territory in the American Civil War. ...

Compromise of 1850.

Gadsden Purchase, 1853/1854.

Governors of the Territory of New Mexico.

History of New Mexico.

Mexican–American War, 1846–1848. ...

Territorial evolution of the United States.

There's more to it but U can guess which ones (:

Hopes this helps!