A completely different type of war was now being fought.
it is a staggeringly hard fought campaign,
The NVA runs rampant from the start to the end of april.
There is a precarious balance reached in may.
The ARVN counterattacks and regains a part of what was lost, with the final clearing of Quang Tri city in september. They do not clear the PAVN from the territory of RVN, nor shut down the Ho Chi Minh Trail.
the US concludes the ARVN can now succeed.
The oil crisis of '73 & economic issues that rippled through our country laid the trap for failure.