To establish more easily defended lines, really defacto borders. Whether that's factual, we'll have to wait and see.
My dear Jackson, you won't have to wait too long. There is no built in security and the terrorists are cheering right now because they've been rewarded, and they'll be able to cause more damage than ever.
Going shopping, back later.
Why not move 10,000 more settlers into Gaza and let them defend it themselves - like in the old days?