This is definitely a person becoming a naturalized U.S. citizen who is taking the Oath of Allegiance.
It increased because industrialization & mass production came to replace lots of jobs. So a farmer for example was replaced by machines and so he and his family would have to move from a rural area (farm) to an urban area (city) to get work doing hard labor in factories. The size of cities also grew because at this time the railroads made getting from places easier than ever and allowed many people to move to cities. Cities were also were many companies would set up factories and workers moved their to be closer to their jobs
The majority of immigrants who arrived in the United States between 1800 and 1860 came from "<span>(3) northern and western Europe" although this shifted slightly later. </span>
What??????
Is this a question or is an opinion?
I'm alright at history and I did write songs when I was in 6th grade in private school but it was a parody. Occasionally I've written simple songs in keystone which is an online school