Cambodia was the country that supported North Vietnam in building the H0 Chi Minh trail.
What was the H0 Chi Minh trail?
This was a road network that was built to connect different places in the north and the south of Vietnam.
The country that helped them with this was the Asian country of Cambodia. The roads passed through Laos and Cambodia.
Read more on North Vietnam here:https://brainly.com/question/1264286
