Which were Southern advantages at the beginning of the Civil War? Select all that apply.

slave soldiers
cotton production
factories
military training and skills

I think is slave soldiers, because the South was known for depending on slaves

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.