I actually do not know the answer to this, But I believe That the People's Republic of China (Taiwan) Is not recognized by the united states as a sovereign entity because it is still a part of china, and is only allowed to go by that name as long as China allows it.
"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>
Robot machines that do factory work a lot faster and nicer than humans
