Answer :
In E) presidential elections it is possible for the winning candidate to get fewer popular votes than the opposing candidate. This is possible because a different system than winner take all is used and it is called the "Electoral College."
I believe the answer is: e. presidential elections.
The winner of The presidential elections in united states is calculated based on the number of electoral votes received by the candidates. The number of electoral votes for each states would be depended on the number of its congressional delegation, not the number of civilians.