The people of Viet Nam in the Northeast there is a fear of communism, which they were always threat. Therefore, the people of Viet Nam did not dare reveal the behavior of operating an underground group.
Vietnamese people in the East have the fear of communist influence. They were threatening all the time. Therefore, the Vietnamese did not reveal the behavior of a group operating underground.
The Vietnamese in the Northeast has a fear of Communist influence. They are still troubling news all the time. So the Vietnamese to reveal the behavior of the group operation underground.