Canada’s Finance Minister says repealing the digital services tax is key to advancing a broad economic and security deal with the US after talks broke down.

Digital services taxes targeting the revenue of big technology companies have returned as a flash point in President Donald Trump’s efforts to rewrite the rules of global trade.

Canada scrapped its controversial digital services tax after President Trump said he was suspending trade talks with Canada last week. President Emmanuel Macron of France criticized tariffs levied by powerful nations as “blackmail.