Answer:
Gerrymandering is the act of altering geographical districts with respect to electoral constituencies in order to favour one's political ambition or intentions.
At the National level, it can protect those in power and diminish the ability of the opposition party to challenge their actions.
It suppresses minority groups. This always backfires in the long run.
This practice was ruled in the Pennsylvania Supreme court as unconstitutional. The case in question is League of Women Voters v. The Commonwealth of Pennsylvania.
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