1) The document discusses the various meanings and definitions of multiculturalism, including as a fact describing diverse societies, an ideology of tolerance, a government policy, and a process of integrating minorities. 2) It notes Canada has adopted multiculturalism through the Multiculturalism Act of 1971, with the goal of recognizing diversity while promoting a shared Canadian identity and citizenship. 3) Support for multiculturalism varies among Canadians and critics argue it may undermine national unity or marginalize minorities, while supporters see it as important to Canadian identity and an inclusive society.