Normal precautions for treating a first client should be taken and security measures should be taken whenever possible, at least until a relationship has been established. The North American Free Trade Agreement between Canada, the United States and Mexico entered into force on January 1, 1994 and created the world`s largest free trade region by GDP. In 2014, the combined GDP for NAFTA was estimated at more than $20 trillion, with a market of 474 million people.   Building on this success, Canada continues to negotiate and conclude free trade agreements with more than 40 countries, most recently with South Korea, which is Canada`s first free trade agreement with a partner in the Asia-Pacific region. . . .