I believe the answer is: the U.S.S. Maine being blown up
U.S.S maine was one of the battleship which belonged to united states, which was attacked by the Spanish during Cuba's uprising against the Spanish government. This create a tension between united states and Spain which resulted in United States helping Cuba to obtain their independence.
Cuts the power of American businesses--American businesses have used their economic power to leverage political power in many countries including Cuba.
By nationalizing American businesses (government control of the business), the government is able to manage the economic power of those businesses. Americans have used their economic control to leverage political power in places like Hawaii, Latin America, Mexico, and in Cuba. This would explain why Castro would want to take control of American businesses.
Answer:
The Crisis of the Third Century, also known as Military Anarchy or the Imperial Crisis (235–284 AD), was a period in which the Roman Empire nearly collapsed under the combined pressures of barbarian invasions and migrations into the Roman territory, civil wars, peasant rebellions, political instability (with multiple usurpers competing for power), Roman reliance on (and growing influence of) barbarian mercenaries known as foederati and commanders nominally working for Rome (but increasingly independent), plague, debasement of currency, and economic depression.
The Crisis of the Third Century, also known as Military Anarchy or the Imperial Crisis (235–284 AD), was a period in which the Roman Empire nearly collapsed under the combined pressures of barbarian invasions and migrations into the Roman territory, civil wars, peasant rebellions, political instability (with multiple usurpers competing for power), Roman reliance on (and growing influence of) barbarian mercenaries known as foederati and commanders nominally working for Rome (but increasingly independent), plague, debasement of currency, and economic depression.
Japan, was the country that controlled Korea during WW2.
Because after wwII the Soviet Union started spreading communism everywhere when the United States wanted to spread capitalism and that started the conflict that would start the Cold War