Trump raises tariffs on Canada by 10% in retaliation for anti-tariff TV ad The GuardianTrump Announces Tariff Increase on Canada Over Reagan Ad Spat The New York TimesThe Reagan foundation did Trump a solid on tariffs - at the expense of Reagan's ideals CNNWhat's in Reagan advert that caused US-Canada trade talks to collapse? BBCTrump threatens Canada with 10% extra import tax over anti-tariffs ad NPR
