Answer:
B. to keep their chief god strong
Explanation:
The Aztec believed that they owed everything to the gods who created themselves as well as the world around them. The would perform sacrifices in order for a good crop yield or good weather among other things. They believed that the best way to repay them was to offer up blood to them in regular rituals.
E. Neanderthals.
Modern humans, Homo Sapiens, lived at the same time as the Neanderthals. Although they did not interact much, they would occasionally have encounters.
How many students are there? That's missing from your query.
The operation put into action Nazi Germany's ideological goal of conquering the western Soviet Union so as to repopulate it with Germans.
Johannes Gutenburg I think it was her