Why is the supremacy clause important?​ It outlines specific decisions to be made by each level of government.
It emphasizes the importance of recognizing American citizenship over state citizenship.
It establishes how to deal with situations when Congress, part of the federal government, and a state pass conflicting laws.
It encourages the United States to take a leading role as a superpower in international relations.

maybe you need to work on the pipes in the house. i am just saying this because you did not give any details.

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.