The major downfall of the Articles of Confederation was simply weakness. The federal government, under the Articles, was too weak to enforce their laws and therefore had no power. The Continental Congress had borrowed money to fight the Revolutionary War and could not repay their debts
In the beginning they had the strongest military to start with. Then they had won in Paris and took over it.
D: Turning point. The Japanese lost 322 aircrafts and most of their navy fleet.
B) immigrants from ireland increased by 300%