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".
I believe the answer is C
The Union used a large naval blockade to stop most of the South's cotton trade. I hope this helps!
There was more jobs and mechenes made life easier
