Advocates are perhaps the best-known example of a minority being more politically engaged and active than the majority.

The correct answer is gun-control.
Those who are fighting against guns are more vocal than those who want to retain their rights to own guns. Although in America people who want gun control are a minority, they are fighting hard to let their feelings and thoughts about guns be known in an attempt to either control or completely ban them.

Water(like when there is a hurricane)some foods(not enough for everyone)