Answer:
The Persian Wars gave the Greeks a new feeling of confidence. The Ionian Greek cities, once subject states to the Persian king, gained their independence. The Greek world would go on to achieve great things, led by the city-state of Athens.
Explanation:
I think a. the ban on slavery was blamed for slow economic growth , and slavery became legal in 1750.
Mainly from Europe more specifically Germany ,Ireland, England and France due to various problems such as crop failure. They have also immigrated because of Christopher Columbus's voyages of the new world.
