Question

Why did immigration to the U.S. increase in the middle of the 19th century?

There were more opportunities in America.

There was no discrimination in America.

The factory wages in America were high.

There was free transportation to America.

Answer 1

a.

Step-by-step explanation:

Answer 2

There were more opportunities in America

Step-by-step explanation:

For #2 there DEFINATELY was descrimination.

#3 doesn't work 'cuz factory wages weren't particularly appealing.

#4 there wasn't free transportation.

#1 is the only plausible option