With a majority of the seats in the House of Representatives in January, Democrats hint at a go-slow approach.
She defended the international rules-based system that the US led in creating after the Second World War.
Canada and Mexico targets as Ross asked to consider whether they threaten US national security.
Tories accuse Trudeau government of currying favour with China to the detriment of national security.
Warns against doing business with them. Highlights American unease about China companies.
Report says China tech giants pose a national security threat to US
Programs could allow China to complete its first attack helicopter.