Geography
How Gerrymandering Distorts Electoral Representation Through Geography
Quick fact
The term 'gerrymander' combines 'Gerry' (Elbridge Gerry, a US governor) and 'salamander', because a 1812 redistricted district in Massachusetts resembled the creature.
Why this is interesting
Imagine drawing a map so that your party wins most seats even if the other party gets more votes overall. Is that fair? That's exactly what gerrymandering does.