The answer is Civil liberties have been limited during war
"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>
Answer
Tanks, machine guns and poison gas
Explanation:
The thing which was a major factor that threatened the major unity in the United States in the mid-19th century was:
<h3>The Great Depression</h3>
This refers to the period around 1929 in the United States which has a profound effect on the national economy.
This led to the failure of many banks, increase in unemployment and high deflation rates which all threatened the national unity.
Read more about Great Depression here:
brainly.com/question/441267
He was the Vice President for President Eisenhower that served at that time period. (I LIKE IKE!!!!)