one reason is because they were a lost civilization for many years and a second reason they have mountains around them so it was very to get there.
Answer:
The applicable answers are,
- the enemy's headquarters for military operations
- a target of the U.S. bombing and invasion of Cambodia
Explanation:
This was officially named as Central Executive Committee of the People's Revolutionary Party and was the political and military headquarters of the North Vietnamese from 1962 to 1975.
US military, intelligence and South Vietnamese were always seeking for this Head quarters which was perceived by them to be the overall command center for all the communist efforts in this region.