Answer:
1. In the 1950s, the American Dream was to have a perfect family, secure job, and a perfect house in the suburbs.
2. The American Dream transformed into an ideal that relied in people being able to afford all the modern accessories: cars, television sets, and college educations for one's children. Television greatly helped define the American Dream as the acquisition of material goods.
450-900 is the answer I think
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".
Answer:
Sumerian, Babylonian, Assyrian and Persian