This source allows everyone to understand what chain migrations are about. Chain Migrations played a big role with all migration groups. When immigrants discovered the wonderful opportunities that the United States had to offer, they would start to bring along the rest of the family. This is what increased the number of immigrants to the United States drastically.
This source teaches everyone about the reasons why people were leaving Germany around 1848. The German Revolution had been caused by the French Republic influencing the German workers to revolt against the government of Germany. This caused much chaos at points, which also made people want to leave Germany and come to America.