Answer:
They had a strong army that defended the borders and repal invaders.
"There were 2 main reasons:
<span>The Second Industrial Revolution created the need for a workforce in new factories,so many people moved from the countryside to the cities to find jobs in these factories.The effects of the depression of 1873-1896,which spread to America,further encouraged people to go to the cities to find work. </span>
<span>There was a long economic depression in Europe from 1873-1896,which encouraged many Europeans to emigrate to America.Most of these arrived at major port cities,and found jobs in factories so stayed there.</span>
The Express powers of council recorded in Article One, Department eight of the structure grants the legislative branch a huge amount of authority over American national policy, both foreign and domestic. Express powers are those explicitly and absolutely specified in the Constitution.
The United States stood as revolutionaries, as an inspiration for future generations of revolutionaries.