Over almost an hour, he took aim at his opponents and their ideas, picking them off one by one as he toured the world. The president even attacked the UN for a broken escalator and teleprompter that disrupted his visit and speech. Under Trump, the US has withdrawn much of its UN funding, leaving the body forced to cut its humanitarian work around the world. Trump saved perhaps his biggest criticism for his European allies, attacking the continent for investing in renewable energy, and opening its borders to migration. Watch: How Trump lashed out at Europe in his UN speech