Canadian political leaders cannot stop Donald Trump from making threats. But Canadian political leaders can control how they respond to those threats and actions. And Canadians can judge how serious those responses are.

Mexico and Canada are the United States’ top two trading partners, accounting for nearly 30% of trade volumes.

Mexican President Claudia Sheinbaum has clapped back at President-elect Trump’s proposed 25% tariff on imported goods from Mexico, saying she would impose tariffs of her own on the U.S.