Answer:
They either already lived there or had to migrate there bc they were forced out of their land
http://www.americaslibrary.gov/aa/carnegie/aa_carnegie_phil_1.html
Hope this helps!
Hello there! in the United States the qualification to be a successful naturalized citizen is Be at least 18 years of age. Be a lawful permanent resident, which means you have a green card. Have lived in the United States as a lawful green card holder for at least 5 years. Have been physically present in the United States for at least 30 months during the 5 years after becoming a legal permanent resident.
The rebellion began on 10 May 1857.