Prevention of Infiltration Law
After the 1948 Arab–Israeli War and the 1948 Palestinian exodus , many Palestinians who either fled or were expelled from their homes , whether they had had altogether ventured beyond what became Israel ( largely into the neighbouring Arab countries of Lebanon , Syria , Jordan and Egypt ) or were internally displaced , tried for many year since then to return to the places they had left . 
<triplet> 1948 Palestinian exodus <subj> 1948 <obj> point in time <subj> 1948 <obj> point in time