It was renamed NEW YORK, after the king's brother, the Duke of York
It was a very troublesome thing. At first, as the United States wanted to expand, they kind of forced the Mexican government to leave some of the colonies and they kept pushing westward. There were many wars but after the Mexican independence from Spain was won and after the borders settled south of California, things were pretty quiet and the relations calmed down and became political and economical.
The reasons were for the good farming land, and for the gold so they would have an oppertunity to get rich. (hope this at least somewhat helps!)
Answer: c (Rome divided the new territories into provinces)
Explanation: