The ancient city of Harappa was considered to be advanced during its time due to multiple characteristics such as: the sheer size of the city (known today as urban); a large network of trade/commerce/transport technology and economy; accuracy of their measurement systems for length and mass; their use of measurements in architectural design, sewerage and drainage systems; innovative metallurgy techniques and manipulation of precious metals (lead, tin, bronze, copper).
I'm not the best at math, but, based on knowledge collected over the years, I can confirm the answer is 3.
I say B. Cherrys as the answer according to some research that seems to be the answer so ok
Money, bank loans, food, paying their bills/taxes. Mainly money troubles.
Artistans
hope this helps
hope my spelling is right