Experts say annexing by 'economic force' involves more than just tariffs

The first shots of the trade war between the United States and Canada have been fired.

Whether it escalates beyond the planned 25 per cent tariff into a wider economic war depends upon how genuinely serious President Donald Trump is about annexation, experts say.

Tariffs are one thing. While painful and destructive, experts agree duties alone would not crush the Canadian economy, nor the political establishment, into submission.

Prior to his inauguration, Trump threatened to use "economic force" to compel Canada to become the 51st state in the union.

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What does a full-blown economic war look like? Think sanctions, import and export restrictions, trade embargoes, theft of intellectual property.