The Palestinian Liberation Organization * 500,000 Palestinians refugee conducted terrorist attacks on Israel * In 1982 Israel invades Lebanon * Multinational forces were sent in to restore orders * Syria invades in 1987 * PLO eventually agrees to withdraw and in 1991 they signed a cease fire
Summary: The Palestinians refugees were angry at Israel because they thought that the Israel's don't belong in the area and try to force them out by conducting terrorist attacks.