Which of the Following Focusing Events Served as a Catalyst

Multiple Choice

Which of the following focusing events served as a catalyst for the establishment of Canada's first National Indigenous Organizations?

A) the return of Indigenous veterans at the end of World War II (1945)
B) the release of Pierre Trudeau Liberals' policy proposals concerning the Indian Act (1968-69)
C) the Meech Lake round of constitutional negotiations (1984-87)
D) the Royal Commission on Aboriginal Peoples (1991-96)