How to use "crisis" in a sentence

I shall ask the Congress for the one remaining instrument to meet the crisis - broad Executive power to wage a war against the emergency, as great as the power that would be given to me if we were in fact invaded by a foreign foe.

She wished she could be with Cham, but his family was in crisis; they all needed him more than she did right now

Your father is only suffering an identity crisis

'Percival, we are now at a financial crisis,' said the Count