It would limit government powers
From what google is telling me. It is about primary and secondary source.
<span>Popular sovereignty was invoked in the Compromise of 1850 and later in the Kansas-Nebraska Act (1854). The tragic events in “Bleeding Kansas" exposed the doctrine's shortcomings, as pro- and anti-slavery forces battled each other to effect the outcome they wished.</span>
Economic opportunities in the southwest, including large extensions of land for cattle raising attracted people from mexico to the area.
Beginning around the 1890s, new industries in the U.S. Southwest—especially mining and agriculture—attracted Mexican migrant laborers. Mexicans moved to the American southwest to work on farms, mines, and factories since thet were in the pursuit of better economic opportunities to have better lives.
Besides, the Mexican Revolution (1910-1920) also encouraged migration to the southwest.
hope this helps :)
It was more like Mesopotamia
