Right now, I would call them "diaspora" if they're more dispersed (Armenian diaspora is quite well-known) or a "community", for example "French community" if they're more closely in contact.
If they reject their new land's law and intend to include this land into their old one, they could be "colonizers".
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Answer:
Fueled industrial growth, helped build railroads and worked in factories, mills, and mines, traditions became part of america, became active in labor unions and politics.
Explanation:
Because the Spanish brought over diseases which wiped out most of the Native American population.
It would lead to Future conflicts such as World War 2