states, such as Nazi Germany, Soviet Russia, and Communist China, were responsible for the murders of 100 million people in the 20th century.

How is the vietnam war connected to the cold war?

Historians believe that animals drawn in cave paintings during the paleolithic era could have represented each of the following except a a. successful hunt b. domesticated pet c. god that was worshipped d. way to obtain an animal's spirit select the best answer from the choices provided

Why do many scientists suppose the land bridge theory of migration?