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.
Overall, the cost of protecting Trump Tower is a drop in New Yorkâs spending bucket. The executive budget for the 2017 fiscal year comes in at $82.2 billion, while the local security cost for Trump Tower amounts to roughly $58 million annually, far less than 1 percent of operating expenses. That's a baseline figure assuming Trump doesn't spend time in Manhattan. If he does, the price will increase.