by entering into the second world war
the usa had just made a peace treaty with japan, only to be broken by the japanese when they bombed pearl harbor in hawaii, usa. they took this attack as a direct aggression against the united states by the axis, and finally joined the allies in their fight against them.
constantinople was the heart of the empire, in the most literal sense of the word.
it was the best defended city in the world for almost a millennium, located on the most strategical place in the world: exactly on the crossing point between asia and europe.
i think its false