Trump's intention marks a rejection of decades of U.S. policy that has prioritized self-determination over territorial expansion.

President-elect Trump’s refusal to rule out military action to seize his ambitions of acquiring the Panama Canal and Greenland has sparked some stern responses overseas and spurred a global debate

Donald Trump declined to say he would not use "military or economic coercion" to seize control of Greenland and the Panama Canal, repeating, "We need them for economic security." REPORTER: I wanted to touch on the "world on fire" that you mentioned.