Answer:
B
Explanation:
This is when the massive immigration influx from the 1880s-1930s started.
The second option is the correct answer.
Back in day, there was child labor, so if parents needed more money, they would force there children to work. Thus, they didn't have time for school.
Answer:
The definition of federalism is straightforward: it is the federal principle or system of government. Throughout history, it has been a political system where 2+ governments share authority over the same geographical area.