Original sentence: House demolition is a controversial tactic used by the Israeli Defence Forces (IDF) in the West Bank and Gaza Strip during the course of the Israeli-Palestinian conflict.Human rights groups who oppose the practice question the motivation, the legality and the effectiveness of this practice.The IDF justifies it for counter-insurgency and other security purposes as a deterrent against terrorism
Edited sentence: House demolition is a controversial tactic used by the Israeli Defence Forces (IDF) for counter-insurgency and other security purposes in the West Bank and Gaza Strip during the course of the Israeli-Palestinian conflict.The IDF justifies it as a deterrent against terrorism.The effectiveness and legality of this practice has repeatedly been questioned by human rights groups