 Complete the following phrase:  Christopher J. Anderson, a career Foreign Service officer who succeeded Croft as an adviser to Volker, was also deposed the same day. In his opening statement, Anderson said he and Volker had attempted to satisfy Giuliani while at same time assisting the Ukrainian government to fight corruption and build a relationship with the U.S. However, their efforts repeatedly conflicted with Giulianis. Anderson confirmed that Bolton had concerns with Giulianis involvement in Ukraine affairs, and that he had written a memo summarizing Boltons concerns to share with other State Department officials including Kent. Anderson also noted that he and several other State Department officials prepared a statement condemning the Russian military intervention in Ukraine after the 