Original sentence: After expelling UNEF peacekeepers from the Sinai Peninsula and establishing a military presence at Sharm el-Sheikh, Egypt blockaded the straits, which Israel argued contravened international law.Syria (which had been supporting Palestinian infiltration into Israel) and Jordan both attacked soon after.Through the UN, Israel warned Jordan to not attack, but Jordan refused, and Israel retaliated, invading and occupying the Palestinian West Bank and East Jerusalem, which Jordan had held since the 1948 Arab-Israeli War
Edited sentence: After expelling UNEF peacekeepers from the Sinai Peninsula and establishing a military presence at Sharm el-Sheikh, Egypt blockaded the straits, which Israel argued contravened  international law.Syria (which had  been supporting Palestinian  infiltration into Israel) and Jordan both attacked soon after.Through the UN, Israel warned Jordan to not attack, but Jordan refused, and Israel retaliated, invading and occupying the West Bank and East Jerusalem, which Jordan had annexed following the 1948 Arab-Israeli War