Why was the bataan death march considered a war crime?

The bataan death march was considered a war crime sinceit resulted in a large number of executions of POWs. Furthermore, the Japanese provided little water of other supplies and often shot those who collapsed from exhaustion.

A war crime is defined as an act committed by a person, group or nation that violates the accepted rules of war.

The Bataan Death March was the forcible transfer by the Imperial Japanese Army of 60,000–80,000 American and Filipino prisoners of war from Saysain Point, Bagac, Bataan and Mariveles to Camp O'Donnell, Capas, Tarlac, via San Fernando, Pampanga, where the prisoners were loaded onto trains.

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