Answer: B. acquired empires by means of military conquest
Explanation:
Inca and Aztec societies were similar in that both acquired empires by means of military conquest.
Inca civilization existed around about 1400 and 1533 CE in Peru. It should also be known that at that particular period, it was the biggest empire in the world.
Aztec Empire existed around 1345 to 1521 CE around northern Mesoamerica. The warriors of Aztec fought other neighbouring states and instilled their religions and ideas across Mexico.
During this period of social reform movements during the Gilded Age, <span> people began movements for reforms like better working conditions or the right to vote for the women.</span>