US President Donald Trump on Friday criticised Canada for rejecting his proposed “Golden Dome” missile defence system over Greenland, warning that the country risked falling under Chinese influence within a year. Trump accused Ottawa of prioritising trade ties with Beijing over US-backed security. US President Donald Trump on Friday criticised Canada for rejecting his proposed “Golden Dome” missile defence system over Greenland, warning that the country risked falling under Chinese influence within a year. Trump accused Ottawa of prioritising trade ties with Beijing over US-backed security.