It was Catherine II the Great.
The American Revolution took place 1765 and 1783. Throughout this time, the ruler of the British Empire was King George III.
At the time of the American Revolution, Germany consisted of about 300 virtually independent states. The ruler of Hessen-Kassel lent his soldiers to Britain as mercenaries.
tsar Nicholas II
Louisiana, as a state, did not exist at the time of the American Revolution.
The Continental army had the hardest time finding supplies during the American Revolution.
'Russia' was too busy to involve US into a World War I as there was a revolution in Russia at that time.
Czar Nicholas II Romanov was Czar at the time of the Russian Revolutions in 1917. He abdicated the throne after the February Revolution and was out of the picture entirely by the October Revolution of 1917.
Yes
The American Revolution was in that time frame.
France supported the American revolution (they were already at war with England at the time).
Colonial America did not have States at the time of the American Revolution. We had 13 colonies under British control.
Many British Loyalists became instant Canadians after the American Revolution.