After a month at sea, they attack before they can establish their war camps and supply their soldiers, Sunsu says. If you know other enemy and know yourself, you need not fear. The result of a hundred battles. During the mid 1960s, a war took place between the North Vietnamese Communists and the United States of America. Instead of confronting the Americans head on, the Viet Cong had a different idea in mind. They used unconventional guerrilla warfare tactics, which included hit and run strategies