OTTAWA — Canada's long-standing support of Israel in votes at the United Nations has come under renewed scrutiny during the latest Israel-Hamas war. On Oct. 27, Canada abstained on a motion calling for a sustained humanitarian truce in the Gaza Strip, and last week, it joined Israel and the U.S. in voting down a motion about Israeli settlements in the West Bank. Canada was also among only four states that rejected a different motion last week calling on Israel to stop impeding the work of the UN agency that conducts humanitarian efforts for Palestinians, and it also rejected a motion...