Answer: Hi!
To find the land surface types using a map, you would examine a physical map. Physical maps show things like mountains, rivers, bodies of water, plains, forests, etc. using a color key.
Hope this helps!
They explored and colonized in North America mainly for Gold
It depends. A stalemate means that no one is close to winning, neither side can make a decision. Based on that I would say it would take longer to fight because they cannot make a decision.
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 :)