Congress redistributes or reapportion the seats in the House every decade using a census.
The Indian Removal Act was signed by Andrew Jackson and it was a law that was supposed to call for the "voluntary" removal of Indians from their land. The United States wanted to expand and use their land, and ended up forcefully removing them and resulted in the removal of most Indians from the states altogether. Hope this helps! :)
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.
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Ethnic discrimination forced both groups to live in districts that were separate from neighborhoods with native-born American residents.
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