The locations of Federal Reserve District boundaries, and of the Banks within the Districts, were determined mostly by the geographic distribution of the U.S. population at the time the Federal Reserve System was created (1913), to accommodate local needs.
Mr Trump claims the total cost of the wall will be $10bn (Â£7.5bn) to $12bn. But estimates from fact checkers and engineers seem to be universally higher. Senate Majority Leader Mitch McConnell estimated it will cost between $12-15bn, as he addressed reporters at a Republican conference in Philadelphia.
Taxpayers are also on the hook for protecting First Lady Melania Trump, who has decided to continue living in New York City. According to the Post, police officials estimate the annual cost of guarding Trump Tower could be as high as $183 million. Trump stands to benefit from all these taxpayers expenses.