Of all the four choices, the one that they both failed is <span>(B)Ridding Russia of serfdom.
They both gave several social and political reforms, but they were criticized by historians for not providing laws to help improve the lives of serfs in Russia</span>
Jerusalem
I'm pretty sure it's Jerusalem out of the other 3
Let me check ...
Yep, it's Jerusalem
The answer is B: Tycho Brahe. Over a twenty year period of time, Tycho Brahe made consistent observations which supported the heliocentric theory proposed earlier by Copernicus.
Im pretty sure they were in Athens