Answer:
I would start it like "The civil war was a terrible war that started because confederate troops fired on Fort Sumter in South Carolina's Charleston Harbor." and then continue it from there. Make sure to ask your teacher if you can use internet sources to aid in the writing of it, if the answer is yes make sure to cite (put the link to the site that you took the info from) your sources after you are done.
Step-by-step explanation: