1. It was used to transport men and material from north to the south Vietnam. 2.after 1967 about 20,000 north Vietnamese troops came south each month on this trail. 3.The trial had support bases and hospitals along the way.In some parts the supply was transported through trucks, but mostly they were carried by porters,who were mainly women. 4.Most of the trail was outside Vietnam in laos and Cambodia with branches lines extending into south Vietnam. 5.US regularly bombed this trail...but Vietnamese used quickly rebuilt it.