The President of the United States is elected for four years, and can be elected twice. Barack Obama was elected in two thousand and eight and he was "re-elected" in two thousand and twelve.

He lives in the White House in Washington DC and is elected by a complicated system of delegates. People don’t vote for the presidential candidate himself but for his delegates. They vote in their state.

Primary elections

In each primary election, people vote for a delegate who will represent the presidential candidate.

“Winner takes all”

-Each state is won by the presidential candidate who has a majority of delegates. In other words, the candidate who wins the state wins all the Electoral College votes for that state.

-The number of delegates depends on the number of inhabitants in each state.

-So it's more important to win states like California, Texas or New York then Vermont, Kansas or Oregon.