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>
C. Bone is a dry non-living supporting structure
I believe it's "C" since the enlightenment was about questioning the way the curch taught about god
Taxation without representation