U.S. President Donald Trump purported on Tuesday that Canada was "considering" giving up its statehood in exchange for protection by the proposed "Golden Dome" missile defense system at no cost, despite Canadian officials repeatedly stating that the country is not for sale."I told Canada, which very much wants to be part of our fabulous Golden Dome System, that it will cost $61 Billion Dollars if they remain a separate, but unequal, Nation, but will cost ZERO DOLLARS if they become our cherished 51st State," Trump wrote on Truth Social."They are considering the offer!" he claimed.Trump has threatened in recent months