Answer:
Ashoka was tolerant with all religions
Explanation:
I believe the answer is: Because company stores didn't sell goods to workers who were in a union
And the working sites usually located far away from the metropolitan area (such as on top of the mountain or in the middle of the desert). This provide the workers with no other choice but to leave the union if they want to be a part of the work forces and live in company towns.
A. they are a source of calcium
Well, The Great Wall of China was built in c. 1644. So doing the math from that point of time to 2019, it is roughly 375 years old!