Answer:
I think it's B, I'm little bit confused cause English isn't my first language, sorry.
good luck :)
To support your answer and give you credit when your teacher is grading your work.
The Greco-Persian Wars were two conflicts that occurred between 490 and 479 BCE and pitted the Persian Empire against the Greek city-states. The conflict began after Athens and Eretria gave assistance to the Ionians in their rebellion against Persia and its ruler, Darius. (got the answer from google hehe)
<span>c. Europeans wanted the Native Americans to become Christians to save them from their sinful ways, convert to their religion
they forced it on them, literally turn to Christianity or die,
hope this helps</span>
The answer is Great Depression