Why would Russia have legitimate reason to be upset with Allied strategy in the European theater?

the United States would concentrate the majority of its strategy to both defeat the Germans and bolster relationships among allies. By that time, however, Russian forces had already defeated the German army

Explanation:

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

the correct answer is option d

the economy will face inflation