You can run for the lower house at age 21, Hope this helps :)
They usually sing <span>spiritual </span><span>songs </span><span />
Answer:
The most likely answer is the third option
Explanation:
it's not option one because you don't need surplus to be a civilization.
it's not option two because a surplus of food isn't just crops.
it's not option four because people still need to trade for other resources.
In conclusion, the most reasonable answer is option three.