Basically the first people :)
I believe its because religion is more of a deep common subject talked about compared to rationalist approaches of greek and Confucian philosphy
Answer:
capital goods
Explanation:
used in production of consumer goods
The correct answer is Malaria
Malaria was a huge problem since it couldn't be treated and people mostly died from it. It prevented numerous explorers from venturing into places like Africa where Malaria was running rampant due to the huge amount of mosquitoes. When it was discovered, it enabled numerous people to live at ease because they could not live with the disease or prevent getting it.