Donald Trump made a shocking prediction about the future of the United States at a campaign rally in Grand Rapids, Michigan, on Tuesday. The ex-president claimed the country will “cease to exist” if he’s not elected president in November, RadarOnline.com has learned. He turned to fear-mongering during Tuesday’s speech, in which he repeated his claim that the country was facing a “bloodbath” due to migrant crime. As Trump addressed the crowd, a line of law enforcement officers stood behind him. Trump continued to blame crime rates on immigrants — whom he referred to as “animals” — while also ma…