WASHINGTON (AP) — Talks to keep Canada in a North American trade bloc broke up Friday and will resume next week with the two longtime allies divided over such issues as Canada's dairy market and U.S. efforts to shield drug companies from generic competition.

President Donald Trump notified Congress on Friday that he plans to sign an agreement in 90 days with Mexico to replace the North American Free Trade Agreement — and hopes Canada can brought on board, too. Congress eventually would have to approve any agreement.

The U.S. and Mexico reached a deal on Monday that excluded Canada. The top Can...