There are also political and economic issues to be fixed among the three nations, he added. Darryl, 42, a U.S. bus driver said it's normally "an extra burden for taxpayers" since the cost of building new facilities and upgrading venues is huge. Since the announcement of the united bid in April 2017, relations between the U.S. and its proposed co-hosts have been touchy at times.

The United States, Mexico and Canada, three partners of the North American Free Trade Agreement (NAFTA), have been struggling to update their free trade pact.

The renegotiating of NAFTA started from August 2017 at the request of U.S. President Donald Trump, who feels the free-trade pact has been bad for the U.S. economy. The three countries remain divided over the rules of origin for automobiles and other issues following months-long negotiations.

The situation has been complicated by the Trump administration using the so-called Section 232 of the Trade Expansion Act from 1962 to unilaterally slap tariffs on imported steel and aluminum products from its key trade partners including Canada and Mexico.

As of June 1, the United States imposed steep tariffs on imported steel (25 percent) and aluminum (10 percent) from the European Union as well as Mexico and Canada.

Canada and Mexico announced dollar-for-dollar retaliation tariffs on U.S. products. Changes in tariffs and quotas will impact the U.S. economy substantially and have immediate effects on the smaller economies, said Bart van Ark, Chief Economist of The Conference Board, when drawing up the escalating risks of trade wars among NAFTA partners.

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