Beginning in 1969, Colonel Muammar Gaddafi determined Libya's foreign policy. His principal foreign policy goals were Arab unity, elimination of Israel, advancement of Islam, support for Palestinians, elimination of outside—particularly Western—influence in the Middle East and Africa, and support for a range of "revolutionary" causes.
After the 1969 coup, U.S.-Libyan relations became increasingly strained because of Libya's foreign policies supporting international terrorism and subversion against moderate Arab and African governments. Gaddafi closed American and British bases on Libyan territory and partially nationalized all foreign oil and commercial interests in Libya.
Read more about this topic: Foreign Relations Of Libya Under Muammar Gaddafi