The Sudanese Civil War involved conflict against the:

The question likely refers to the recent conflict in Sudan that began in April 2023. This conflict primarily involves a power struggle between the Sudanese Armed Forces (SAF) and the paramilitary Rapid Support Forces (RSF). The fighting erupted due to disagreements over the integration of the RSF into the regular army and the future of Sudan's political transition.

• A. Rapid Support Forces: This is the correct answer, as the SAF is in direct conflict with the RSF in the ongoing Sudanese Civil War.
• B. United Nations: The UN is involved in humanitarian efforts and peacekeeping, not as a combatant against one side.
• C. African Union: The AU has attempted mediation and diplomatic solutions, but is not a party to the conflict.
• D. Arab League: The Arab League has also called for a ceasefire and dialogue, but is not involved in fighting.