Controlling the Hudson River was vital to the war effort on both sides. The British held New York City and its port for most of the war. The Continental Army was able to hold and control most of the Hudson River allowing them access to the entire Hudson Valley.
Mercantilism the economic theory that trade generates wealth and is stimulated by the accumulation of profitable balances, which a government should encourage by means of protectionism.
Spain which was not on the gold standard did not have a substantial decline from 1929 to 1933 as the US,Germany and many other countries endured a Contraction.
