gerrymander

muutella vaalialueen rajoja jonkin poliittisen ryhmän eduksi

vaalialueen rajojen muuttaminen jonkin poliittisen ryhmän eduksi puhekieltä To divide a geographic area into voting districts in such a way as to give an unfair advantage to one party in an election.
puhekieltä To draw dividing lines for other types of districts in an unintuitive way to favor a particular group or for other perceived gain.

The superintendent helped gerrymander the school district lines in order to keep the children of the wealthy gated community in the better school all the way across town.

By this iniquitous practice, which is known as the gerrymander, the party in a minority in each State is allowed to get only about one-half or one-quarter of its proper share of representation.

Any citizen looking at a map of district 12 could immediately tell that it was a gerrymander because of the ridiculous way it cut across 4 counties while carving up neighborhoods in half.