Answer:
The caste system
Explanation:
In the caste system people of different castes get treated differently, but Ashoka wanted all his people to be happy and treated equally. He converted to Buddhism because of his belief of equality .
Even though you didn't include answer choice, im guessing it would be the wadges paid to workers.
The stage was set for the emergence of modern genetics by the improvement of microscopy techniques in the late 1800s because it allowed the study of meiosis and mitosis, which revealed the parallels between behaviors of genes and chromosomes.
The study of cell division during this era also led to a lot of scientific discoveries.