The largest share of newcomers who come to Canada arrive in the economic class. According to the annual report to Parliament, which of the following is a reason that it is important to admit so many newcomers? a) To stimulate innovation in Canada's economy, given that so much future economic growth will depend on technological change. b) To develop Canada's multicultural character, given the country's longstanding commitment to the values of tolerance and non-discrimination. c) To address persistent labour shortages, given Canada's aging population. d) To fulfill Canada's humanitarian obligations, given the rise in the numbers of refugees worldwide