He did not approve of slavery, he just didn't know how to end it
The origin of the 1905 revolution goes back to the recently-concluded Russo-Japanese War, in which Japan placed a serious check on Russia's power to expand in East Asia. Many Russians saw this outcome as a source of humiliation, and supported an effort to remove the Tsar because of it.
I think the answer is B. I hope you pass!
I'm 95% sure that it was Theodore Roosevelt