You have to be at least 18 in order to vote in the USA. 18 was selected because that is the minimum age that men can be drafted into the armed forces of the nation.
When more then half of the voters vote for you.
Lincoln won the presidency with less than half of the popular vote
majority
If half or more of the politics vote for it to happen.
half the poulation
Actually if you look at the big picture you can vote at Approximately 13 and 42 days
Because .5 is half a person, and you can't have half a person vote.
No. In fact, only about half of Americans do.
Most - over half, anyway - do not participate politically in America. Over half of the people don't even bother to vote. Of the people who DO vote, less than half actually study the issues and the candidates, and cast "informed" votes.
18 + 50 = 68
Women and non-citizens were not allowed to vote in ancient Greece. This meant that approximately half of the population, mainly women and slaves, did not have the right to participate in the democratic process.
It was important because half the people of this nation should have the same rights as the other half.