Which of these represents bias in historical materials?1( leaving out the viewpoint of an enemy of war) 2(presenting ideas of both men and women) 3(reporting on discrimination against a particular race) 4(considering all cultures to be equal)

The answer is ( leaving out the viewpoint of an enemy of war)

Explanation:This is because when you only hear from one side of a war then that means you only get their side of the story without considering the other party, this means there are always two sides to a story told( story told in only one perspective )

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

i believe the answer is d.