Answer:
Difficult for him to deal with
They lost their main source of food which led to starvation and war among the once harmonious tribes.
Mexico had declared its independence from Spain. With that being said, Spain had a war that lasted 11 years with them. After one town had declared independence, they started to spread as they had recruits coming in from everywhere. Finally, a Spanish soldier had joined in 1820 and brought an army to Mexico city, eventually capturing it.
One year later, Spain agreed to terms.
