In the years following the June 1967 War, the Palestinian-Israeli conflict intruded on Lebanese political life. This development, in combination with the demographic and political changes taking place inside Lebanon itself, upset the country's fragile sectarian balance and plunged it into fifteen years of vicious and destructive civil war. The civil war was not an exclusively Lebanese affair; it was precipitated by the Palestinian presence in the country. Support for the Palestinians came primarily from Muslims alienated by the existing system, which benefited the political leaders and their associates but failed to provide basic social services to broad sections of the population. The social and economic grievances of Muslims were compounded by the sectarian arrangements that continued to favour the coutry's Christians., Karol Sorby., and Obsahuje bibliografii