Answer:
The impact must be considered in light of the fact that at the close of the Civil War, the nation's population was just over 30 million. Irish and German immigration. In the decades following the Civil War, the United States emerged as an industrial giant. ... up of millions of newly arrived immigrants and even larger numbers of migrants ... Born into a society in which the vast majority of people were involved in ... radically changed the ways millions of people worked and where they lived.
Step-by-step explanation: