Who conquered the Aztecs

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

What was the main argument of plessy in plessy v. ferguson

By the late 1930s, how were u.s. officials beginning to view japanese policies of expansion? a. they attempted to join forces with japan so as to increase u.s. territory. b. they warned them to stop expansionist actions or face potential u.s. intervention. c. they sent representatives to japan to work out territorial rights in a diplomatic fashion. d. they became fearful of their military power