Palestinian scholar Abu Sitta explains it all. It's all in here..

Professor Salman H. Abu-Sitta of the London-based Palestine Land Society gives a personal account of how he became a refugee in Palestine in 1948. Using data from his research, Abu-Sitta shows how over 600 Palestinian villages were systematically depopulated by the advancing Israeli forces, leaving many others dismembered by an arbitrary cease-fire line. With maps and demographic statistics, Abu-Sitta shows that, in effect, Zoinist policies were an ethnic cleasing campaign that resulted in a massive transfer of native Palestinians to the countries bordering Israel, where thousands remain within 100 miles from their original communities.