Irish and German immigration (article)
The link address is: https://www.khanacademy.org/humanities/ap-us-history/period-4/apush-politics-society-early-19th-c/a/irish-and-german-immigration
The link address is: https://www.khanacademy.org/humanities/ap-us-history/period-4/apush-politics-society-early-19th-c/a/irish-and-german-immigration