Answer: god built the gate of hell
C providing background information about a situation. Ethos refers to the characteristic of beliefs and ideals.
"Peace can only last where human rights are respected, where the people are fed, and where individuals and nations are free."
Basic human rights need to be given to everyone, like food and water and shelter. If everyone doesn't have those, then not everyone is really "free," since they're lacking basic things they need to survive. People without food aren't at peace, since they're wondering if they'll be able to survive.
Either would work, so c. either could be used.