The Canadian foreign aid program increasingly has been linked to trade and other commercial objectives- How and why has this happened? Has this been a successful linkage? What are the implications for Canada and its foreign aid program of this pursuit of the aid-trade linkage? This thesis attempts to answer these questions by exploring the origins and evolution of Canada's aid program, the political and bureaucratic status of Canada's aid agency, the Canadian International Development Agency (CIDA), and the various policies and policy instruments employed in this recent orientation of aid. It is here argued that in the pragmatic origins of Canada's aid efforts, beginning with the Colombo Plan of the 1950s, lay the seeds for today's aid-tra...