Answer:
Option: Northern Sudan dominated southern Sudan, and some southern Sudanese rebelled.
Step-by-step explanation:
The Civil War in Sudan was disputed between the Khartoum government in the north and rebels (Christian) in the south. Southern revolutionaries were fighting for regional autonomy and representation in the government. Several attempts conducted to bring two regions together. Colonel Gaafar al-Nimeiry was able to bring an agreement that gave semi-autonomy to the south. Another reason that plays a crucial role in the Sudan civil war was religion. The declaration of Islam in Sudan and demolish of self-governing government in south headed for the rebel in the country.