After the defeat of the Viet Cong in the Tet Offensive, the remaining opposition to imperialism was the North Vietnamese Army, or NVA.
It is surmised that the NVA didn't like the competition and encouraged the VC to rise up so that the Americans would crush them. Whether that happened or not, the effect was the same: the VC were not a factor for the rest of the war.
After the defeat of the Viet Cong in the Tet Offensive, the remaining opposition to imperialism was the North Vietnamese Army, or NVA.
It is surmised that the NVA didn't like the competition and encouraged the VC to rise up so that the Americans would crush them. Whether that happened or not, the effect was the same: the VC were not a factor for the rest of the war.