A voting system is consistent if, when the electorate is divided arbitrarily into two parts and separate elections in each part result in the same alternative being selected, an election of the entire electorate also selects that alternative. If a voting system is not consistent, then it may be manipulated through the establishment of strategically configured election districts (gerrymandering). Voters at the voting booths in the US in 1945 Voting systems are methods (algorithms) for groups of people to select one or more options from many, taking into account the individual preferences of the group members. ... Redrawing electoral districts in this example creates a guaranteed 3-to-1 advantage for Party 1. ...