The issues focused on in this webpage are how the Vietnam War introduced different tactics that can be used to protect students from an active school shooting. In the Vietnam War, the Viet Cong(also known as the people's Liberation Armed Forces of South Vietnam) used Guerrilla warfare to protect themselves while fighting. In the article "How Agent Orange Unleashed A Slow-Moving Disaster In Vietnam", it stated that "Viet Cong troop often hid behind plants and trees." That's what Guerrilla warfare was. To get the communists out of hiding the U.S used a toxic chemical called Agent Orange didn't affect its victims immediately. "It caused later issues such as birth defects." Another outcome of the war is PTSD.