His man who owned a large steel company was a prime example of social darwinism. a. spencer b. carnegie c. rockefeller d. ford

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.

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.