Answer:
disease
Explanation:
They had never experienced smallpox, measles or flu before, and the viruses tore through the continent, killing an estimated 90% of Native Americans.
The reason why Nikola Tesla is famous cause n<span>ikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and physicist</span>
I believe it was <span>Francisco de Xeres but I might be wrong..</span>
