"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 answer is True. It cut the population in halve.
Answer:
In the spring of 1842, John Charles was given orders from the Corps of Topographical Engineers to survey and map the emigrant route to Oregon known as the Oregon Trail. ... Frémont would complete his official orders and more, crossing into the Mexican province of California.
Explanation: