A larger territory can create a wider safety margin. There is more room to maneuver when the next attack occurs. Israel will always be under threat because she is small Jewish island in a huge sea of Arabs (Islam). And Arabs(Islam) are on the move...just about everywhere. The Pals refuse to acknowledge Israel, so the weaker they stay the better. And the more room Israel has in which to repel the next attack, the better.
Week of floods kills 22 in Vietnam (DPA)
from the article: EU, Obama: Settlement construction could threaten peace progress