So we know when certain things in history took place. Its hard somtimes to remember/memorize all the dates, but timelines do help.
Hope this helps :D
Answer:
as prices rose, less and less people were able to buy things,
unsold things piled up, so there was no need for production
in all, no one was working or buying, and this caused the economy to crash
Answer:
I am pretty sure it is B
Explanation:
Hope it helps and I am right have a good day!
I believe postulates are given or assumed true statements without a proof. And a theorem can be proven. You do this in geometry if I remember correctly.