What to know about Canada's escalating trade war with the U.S.

Canada has hit back against U.S. President Donald Trump's tariffs with its own countermeasures, targeting $20 billion worth of U.S. goods. This escalation in the trade war could have significant implications for both nations, affecting everything from consumer prices to diplomatic relations. The move underscores the broader economic and political tensions between the two countries, potentially impacting global trade dynamics as well.