The telephone is ringing; i am unable to answer
is that the correct way?

If you're asking if that sentence is grammatically correct, then yes it is. Just remember to put a period at the end of the sentence.

well if you have a lion for example it will kill you and that's why you shouldn't have and exotic animal

the answer is slaves

douglas was a slave who turned into a statesman and he refused to celebrate the 4th of july until all slaves were emancipated or set free.