Guess Which Country Supplies the Most Oil to the U.S.?

Here in the northeast of the United States in Massachusetts most gas stations charge about 3.90 per gallon which works out to 0.92 a liter.
It has been going down these past few weeks from around 4.20 or so a gallon.

Whats with all the posts asking where Canada gets its oil from?

Canada gets its oil from, uhhh, derrr, THE GROUND in CANADA maybe?

Why would the oil come from Alaska? Is Canada not allowed to have its own oil or something

Anyways, as a Canadian I was surprised to find out we're the main supplier. My answer was Saudia Arabia, I thought we'd be around #3 or #4.