Answer:
Congress passed laws allowing for free passage between states.
Explanation:
a. is the correct brainliest answer
Cities served as major centers of exchange particularly as centers of commerce between the east and west. Some cities not only imported products, they also made their own. During the Renaissance the cities of Italy were (especially in the north) were the largest in Europe, their culture the most urban which made it easy to usher change during the Enlightenment
Most of them were processed in Ellis island. They had to be processed there before they could enter the country.
