By suspending Parliament and promising to resign, the prime minister bought the Liberals time. But Canada will now face Donald J. Trump with a lame duck in charge.

C anadian Prime Minister Justin Trudeau is stepping down as the leader of the ruling Liberal Party, following months of pressure from partymates to resign amid increasingly poor public approval ratings.

TORONTO (AP) — Canadian Prime Minister Justin Trudeau announced his resignation Monday in the face of rising discontent over his leadership, and after the abrupt departure of his finance minister signaled growing turmoil within his government.