The effects of war, are widely spread and can be long term or short term. Soldiers experience war differently than civilians, although either suffer in times of war, and women and children[citation needed suffer unspeakable atrocities in particular. In the past decade, up to two million of those killed in armed conflicts were children. The widespread trauma caused by these atrocities and suffering of the civilian population is another legacy of these conflicts, the following creates extensive emotional and psychological stress. Present-day internal wars generally take a larger toll on civilians than state wars. This is due to the increasing trend where combatants have made targeting civilians a strategic objective. A state conflict is an armed conflict that occurs with the use of armed force between two parties, of which one is the government of a state. "The three problems posed by intra‐state conflict are the willingness of UN members, particularly the strongest member, to intervene; the structural ability of the UN to respond; and whether the traditional principles of peacekeeping should be applied to intra‐state conflict". Effects of war also include mass destruction of cities and have long lasting effects on a country's economy. Armed conflict have important indirect negative consequences on, infrastructure, public health provision, and social order. These indirect consequences are often over looked and appreciated .
In the late 1800s, the United States experienced a tremendous growth in industrialization. Led by oil, steel, and other manufacturing industries, the United States had become the world’s leading producer of manufactured goods by 1900.
