C. Ellen’s fiance defeats lochinvar in armed battle
So that they can use them as primary sources to find out the most accurate facts
Villages needed to organize governments. is your best answer
Note that food surpluses means that there is extra food, which means that:
1) the population would increase, not decrease
2) there are more time to create tools, and possessions and other needed things can be kept longer
3) If you hunt and gather more, it would just result in more surpluses.
hope this helps