They had beef about one of them not paying and they declared war.
It was "Russia" that was the last to industrialize, since while most of nations were going through the industrialization process, Russia was in the middle of various uprisings that eventually led to the Civil War of 1917.
When the American Revolution ended in 1781, the states were out of money. Who could they
ask for money?
Great Britain
True I think not sure look it up
Trade and tea and castles