Explanation:
Confederate power in the New Mexico Territory was effectively broken when the campaign culminated in the Union victory at the Battle of Glorieta Pass in 1862. However, the territorial government continued to operate out of Texas, and Confederate troops marched under the Arizona flag until the end of the war.
New Mexico became a state in January 6, 1912
For both New Mexico and Arizona, the road to statehood was protracted and contentious. However, after much effort, on January 6, 1912 New Mexico became the 47th state and on February 14, 1912 Arizona became the 48th state in the Union.
First they would have to be in a anti slavery state, there were also some wealthy African Americans in the time of slavery
The main concern of historiography is bias.
Research scientists used a standard practice called the scientific method to help them understand phenomena.