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How should the student cite this source using mla citation format?

How did nationalism affect europe's great powers? it them cooperate with each other. it destroyed them. it made them weaker. it caused competition among them.

How was the war powers resolution intended to limit presidential authority? a. congress needed to be notified of troop deployments. b. presidential authority to declare war was abolished. c. congress had to approve of military appointments. d. the president could send troops as needed to areas of crisis.