10.D2.3

describe some key developments related to Canada's participation in the international community during this period, with a particular focus on the context of the Cold War (e.g., with reference to membership in the United Nations, the North American Air Defense Command [NORAD], and/or NATO; the Gouzenko Affair; the Korean War; the Suez Crisis; the arms race and the Non-proliferation of Nuclear Weapons Treaty; peacekeeping), and assess their significance