Answer:
D. Values and Beliefs
Explanation:
Although trends and ideas contribute to the preferences of the consumers, the question specifically asks for "culture". Values and beliefs are a big part of culture and most definitely dictate consumer preferences and/or behaviors.
Augustus centralized the government, as it went from a Republic to an Empire. As an Empire, there is an Emperor who does and decides everything, as he pleases. In a Republic there is a Senate who has to approve everything, before it becomes a legislation(a kind of law/rule). The Senate was the ,,crowd's voice".
1.7 million people is the answer
The purpose of checks and balances is that no other branch becomes over power then the others.
The answer to this question is this: INCREASED BRAIN SIZE. With Homo Sapiens having an increased brain size, this proves that they are able to do logical thinking on how to survive in their environment and one of this is having a more successful hunting. In addition, they are also able to face the challenges of climate changes and are able to be more competent in the hunting game with other carnivores.