A) Hundred years war
B) Italian Wars
Italy was never a nation-state, therefore it turned into a power vacuum -The fall of Constantinople (this limited trade) -Failure of the Peace of Lodi -Sforza invited Charles VIII of France in to Italy to invade
B. France stopped all trade with the United States
Efficient government and adequate rulers
They both were located in peninsula (an island surrounded by water on all sides). It was a great location because it provided water to survive, the attacks were limited since barbarians had to take ships in order to get there, great trade since they had ship routes all over the rivers/oceans.