Answer:
Writing began to disappear and the standardized weights and measures used for trade and taxation fell out of use. Scholars have put forth differing theories to explain the disappearance of the Harappans, including an Aryan Invasion and climate change marked by overwhelming monsoons.
Explanation:
Shay's Rebellion.
It was an embodiment of the failure of the articles of confederation, and made people realize that changes needed to be made.
<span>A: falling food prices is the correct response.
</span>
