¿Cómo era el lugar donde aparecieron los primeros homínidos?

La evidencia científica apunta a que los homínidos se originaron en el continente de África; se indica la región del este de África específicamente. La mayoría de los fósiles de homínidos, así como los más viejos, han sido encontrados a lo largo del continente africano.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

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.