A.
Pearl Harbor attack setitoff
The correct answer is option C: someone diagnosed with smallpox.
The person that would have been most grateful for the work of 19th-century scientist Edward Jenner, would be someone diagnosed with smallpox because Jenner was who discovered the first vaccine against the smallpox virus. Moreover, this disease that was widely spread in the 18th century and killed many people.
<span>Conquests gave empires more room to expand their cultures and peoples. It gave them more land to explore and more resources to find, which could then be used to fund future expeditions and conquests. The cycle continued as more land was picked up, more people were subjugated, and more resources were procured.</span>
Religions like Taoism and Confucianism have Hindu influence, while Islam is a relatively new religion itself.