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The CIM-10B Bomarc was the world’s first long-range, nuclear capable, ground-to-air anti-aircraft missile. Two squadrons of the missile were purchased and deployed by the Canadian government in 1958. This was part of Canada’s role during the Cold War to defend North America against an attack from the Soviet Union. Prime Minister John Diefenbaker’s refusal to equip the missiles with nuclear warheads led to a souring of Canada’s relationship with the United States, especially once the Cuban Missile Crisis brought the issue to the fore. The issue split Diefenbaker’s Cabinet and contributed to his party losing the 1963 election.

The Commonwealth of Nations is made up of 56 countries, including Canada, that were for the most part once part of the British Empire. They work together on international policy and hold a major sports event every four years. It is one of the world’s oldest political associations of states.

The General Agreement on Tariffs and Trade (GATT) was an international trade agreement. It was signed by 23 nations, including Canada, in 1947. It came into effect on 1 January 1948. It also led to the creation of the World Trade Organization (WTO) in 1995. The GATT was focused on trade in goods. It aimed to reduce tariffs and remove quotas among member countries. The GATT helped reduce average tariffs from 40 per cent in 1947 to less than five per cent in 1993. The GATT was an early step toward globalization. The WTO replaced the GATT on 1 January 1995.

This article is a plain-language summary of the General Agreement on Tariffs and Trade (GATT). If you are interested in reading about this topic in more depth, please see our full-length entry: General Agreement on Tariffs and Trade (GATT).