Canadian Prime Minister Justin Trudeau told business leaders that U.S. President Donald Trump’s interest in annexing Canada was a very real plan aimed at controlling the country’s vast mineral resources.

Canadian Prime Minister Justin Trudeau told a business gathering on Friday that US President Donald Trump’s threat to annex Canada “is a real thing,” two Canadian business leaders who were at the meeting confirmed to CNN.

Donald Trump has securing Canada’s resource wealth on his mind, and “one of the easiest ways of doing that is absorbing our country. And it is a real thing.”