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.
Estudio 3.14's vision for Donald Trump's proposed wall along the Mexico-US border.Agustin Avalos/Estudio 314. On the campaign trail, Republican presidential candidate Donald Trump has threatened to build a wall along the Mexico-US border to keep out Mexican immigrants (or bad hombres, as he calls them).