Canadian Prime Minister Justin Trudeau plans to announce his resignation Monday, an official said, in the face of rising discontent over his leadership, and after the abrupt departure of his finance minister signaled growing turmoil within his government.

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.

Justin Trudeau has resigned, but the Liberal Party faces an uphill battle heading into a federal election year. Here are some lessons from the Roman Empire on leadership and governance.