Previously Afghanistan and Iraq were at the centre of the world’s equivalent of the chess board. Control the centre of the chess board and you control the rest of the board. This game of epic proportions.
Libya was a skirmish, like a flank attack when the chess player makes his moves using the Knights and Bishops supported by pawns, but it was not the centre of the chess board so it is largely unimportant compared to Syria, Iraq and Afghanistan.
Iran controls a narrow strait that allows ships carrying oil to pass through.
Read Zbigniew Brzezinski’s 1997 book “The Grand Chessboard” for more information.