Thriving cities, wealthy merchant class, classical heritage of Greek and Rome.
Among the key changes brought by the Hart-Celler Act: Quotas based on nation of origin were abolished. For the first time since the National Origins Quota system went into effect in 1921, the national origin was no longer a barrier to immigration.
1.D
2.A
3.Can't help ya with that one sorry.
You could write about volunteering for example