While Carney has ruled out EU membership, the Canadian leader says he wants to pursue a "unique alliance" with Brussels.

Canada says its tariffs match Washington’s dollar for dollar and rate for rate. They take effect at 12:01 a.m. Tuesday under an executive action known as an order in council and cover about $20 billion in American goods, roughly 6% of the $333.6 billion the United States exported to Canada last year.