Databases---------------------------------------------

	SIRS  To get you started try the subject headings Combat, Psychological aspects for impact of war; Military ethics for concept of "just war"
	Opposing Viewpoints This pro/con database could provide you with some very helpful insight on your topics.

Web sites----------------------------------------------

US Department of Veterans Affairs  http://www.va.gov/

Look for informaton on the impact of war, in particular with regard to recent combatants in Afghanistan and Iraq.  Try, for example the heading Returning Servicemembers, FAQ (frequently asked questions), PTSD Information Center (Post traumatic stress disorder.  Click and explore and you may find information in an unexpected place.

The Great War and the Shaping of the 20th Century

Companion to an eight-part series about "The World War of 1914-18 -- The Great War, as contemporaries called it -- [which] was the first man-made catastrophe of the 20th century." Features historical essays, timeline, maps, historian commentary, and an updated discussion of how impacts of the war shape the 21st century (such as world terrorism, immigration, European Union, and the use of military force). A KCET/BBC co-production in association with the Imperial War Museum.
http://www.pbs.org/greatwar/

Just War -- Or a Just War?

In this widely distributed commentary on the potential conflict in Iraq, former President Jimmy Carter argues that "as a Christian and as a president who was severely provoked by international crises, I became thoroughly familiar with the principles of a just war, and it is clear that a substantially unilateral attack on Iraq does not meet these standards."
http://www.cartercenter.org/news/documents/doc1249.html

Internet Encyclopedia of Philosophy Just War Theory

http://www.utm.edu/research/iep/j/justwar.htm

Web links and summaries above were taken, in part, from Librarians Internet Index and Nettrekker