Complex sentence: A few days later, the PVA 34th Division and the ROK 9th Infantry Division were engaged in a seesaw battle on Sniper Ridge on December 2 and 3, and it failed to produce any territorial gains for either side.
Split into simpler sentences: A few days later, the PVA 34th Division and the ROK 9th Infantry Division were engaged in a seesaw battle on Sniper Ridge on December 2 and 3. It failed to produce any territorial gains for either side.