What link can I use to show a graph of african immigration in 1820?

I WILL BE RAPED IF I DON'T HAVE AN ANSWER TO THIS QUESTION!!!!!!!!!!!!

Answer:
http://www.bergen.org/aast/projects/immi...

The century following 1820 can be divided into 3 great periods of immigration, or "waves." These three have immigrants coming from primarily three different regions. (there is more detail below):

1820-1860, Great Britain, Ireland, and Western Germany.
1860-1890, The above countries continued to provide, as well as Scandinavian Nations.
1890-1910, The majority was Austria, Hungary, Italy, and Russia, up until World War 1.
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