In general, yes, immigration during 1830s to 1840s was vital to the industrialization of America, since it was mostly immigrants who first sought employment in the factories that were an essential element of industrialization.
One of the main reasons why Andrew Johnson faced difficulty implementing his Reconstruction plans is because he face harsh opposition in Congress--both by Radical Republicans and Democrats alike.
1. Britain
2. 7
3. 1775
4. D
5. D
6. 1776
I don’t know if all of my answers are correct i’m sorry i tried