The inflation of U.S currency forced many businesses to shut down. They couldn't keep their prices affordable and still make a profit to support themselves. This forced them to close.
Alsace-Lorraine was guaranteed a plebiscite
The Revolutionary War with Britain after British colonists were already in the US, sent by the British. Basically, they were being taxed on stuff like Molasses and Tea. They didn't want taxation from a country in which they had no representation in government. This was the reason for the Boston Tea Party. Then of course they formed their own independent country once they were free from Britain.
Answer:
-They produce goods at an exceptionally fast pace. -They helped build a sense of community among workers. -They often employed low wage earners. -They employed women and children at disgracefully low wages.