It is white because after we burned it you folks painted it with white wash.. Hence the name White House .. Second largest land mass in the world, surrounded by 3 super highways that old mental model saw as barriers (moats)...and only 35 million people, 25 % of the worlds fresh water, rare earths, energy etc.... . How do we keep it? We need a Sr. Partner.. The question becomes of our 5 neighbors who should that be?  ...   Canada's north is under attack on a number of fronts.. David you got me going... Sorry ... Best tpower