With Trump floating aggressive desires to acquire foreign territories like the Panama Canal, Greenland, and Canada, ambassador confirmations could get messy.

Trump again having designs on Greenland comes after the president-elect suggested over the weekend that the U.S. could retake control of the Panama Canal if something isn't done to ease rising shipping costs required for using the waterway linking the Atlantic and Pacific oceans.

President-elect Donald Trump took aim at Canada, Greenland and the Panama Canal in a series of Christmas Day social media posts that suggested the U.S. could take control of all three.