Canada's Liberal Party will announce Prime Minister Justin Trudeau's successor on Sunday as both party chief and head of the country's government in the midst of a trade war with the United States that could cripple the Canadian economy.

Canada’s governing Liberals are set to choose a replacement for Prime Minister Justin Trudeau. The announcement will come as the country deals with U.S.

In a motivational note, Justin Trudeau told the crowd gathered at the convention that the whole world is "looking to see what Canadians will do".