sentence: Men have a natural fear of fire.
sentences_before: A lesser-known method is the flame throwers used by combat infantry. Flame throwers use a thinner version of the same jellied gasoline to destroy gun emplacements, bunkers and cave hideouts. U.S. Marines fighting on Guadalcanal found them very effective against Japanese positions. The Marines used fire as both a casualty weapon as well as a psychological weapon.
sentences_after: They found that Japanese soldiers would abandon positions in which they fought to the death against other weapons. Prisoners of war confirmed that they feared napalm more than any other weapon thrown at them.
concept_name: man
headings: Napalm Usage in warfare
categories: Vietnam War equipment Incendiary weapons