Answer :
The manipulation can also encompass "cracking" or "packing" (concentrating the opposing party's balloting strength in a single district to lessen their balloting power in different districts). Gerrymandering can also be used to shield incumbents.
Gerrymandering influences the presidential election by way of affecting national races and the House of Representatives races. It does now not have an effect on senatorial races or presidential races as districts do no longer remember in the one's styles of races. It is maximum normally visible in elections for the house of Representatives.
Wasted votes are the basis of the performance hole measure of gerrymandering, wherein citizens are grouped into electoral districts in such a manner as to grow the wasted votes of 1 political faction and decrease the wasted votes of the opposite.
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