US and Canada Joining as One Country

As a student who studies politics and economics, I personally feel that it would be wise for two great countries such as USA and Canada to join as one big one. The two countries have already established free trade and both have strong economies. If the two countries will unite then it will help their economy, tax reduction and will spread out the population which will help Canada for example. Also it will set example to another countries and they might follow.
It is known that USA and Canada have established a free trade and do allot of business together.
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