why is the end of the cold war tied to the american domestic economy during this time?

The United States became the global consumer of last resort for the export goods of first Germany and Japan — and later all the countries surrounding the USSR and China. The goal of the United States was admirable — to help redevelop the economies destroyed by the war and to keep workers in those countries from being attracted to the promises of communism.

i believe your answer is d)

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.