Answer:
Religion: There were temples and the worship of many gods. Animal sacrifices and complex rituals made some people feel disconnected from Hinduism. Religious beliefs were spread through trade.
Intellectual:
Technology: Gupta metal workers built a huge wrought-iron pillar. Indian doctors practiced Ayurvedic medicine. They could set bones and perform simple surgeries. They also began vaccinating people against smallpox.
Economy:
Buddhism & the Mauryans
Social:
Political: In 321 BCE, Chandragupta Maurya took over the former Magadha kingdom. It became the center of the Mauryan Empire. His government was a highly organized bureaucracy. He worked his way westward to the Indus Valley. The third emperor, Asoka, brought all of India, except the far south, into the empire. He used military strategy to rule.
Religion:
Intellectual: Buddha's teachings and the Four Noble Truths were passed down through oral tradition. Buddhists meditate to find their own truths. Asoka placed stone pillars providing moral guidance all over India (Edicts of Asoka.)
Technology:
Economy: Roads and harbors were built to help trade grow. Royal officials collected taxes.
Explanation:
Object at rest stays at rest object in motion stays in motion
I believe the answer is the third option. Simply because a topic can be studied quickly or inexpensively doesn’t mean that it is ethical. Topics of study that are politically correct may be seen as ethical for some, but not to others, while a topic that will improve the lives of many would be seen as ethical by the general population.