Answer:
job opportunities, new life
Explanation:
many immigrants came to the US due to lack of money, jobs, or food and came for jobs
At times, it was chaotic because it was so much land to control that the ruler split it into "states", and gave each one to a family member. But, after a while they realized some of the family had more land than others, so they began to fight. The bigger lands conquered the others with their stronger army.
Group? Maybe?
I hope I helped:/