Justin Trudeau resigns: What are the challenges for Canada now? Explained in 10 points

Justin Trudeau resigns: Under growing pressure from his own party, Canadian Prime Minister Justin Trudeau has announced he will step down and end his nine-year stretch as leader. Trudeau, 53, had faced growing calls to quit from inside his Liberal Party. After Trudeau's resignation, many questions loom for the Liberal party and Canada. What's next for Canada after Trudeau has quit?