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.
Donald Trump's budget set to make a TRILLION dollars of cuts on food stamps and Medicaid alone as he pledges to spend $1.6billion on long-promised Mexican border wall. Trump's budget includes $1.6billion for construction of a wall on Mexico border.