What did truman mean when
he claimed that mccarthy was
an “asset” to the kremlin?

"McCarthy, in a speech at Wheeling, West Virginia, mounted an attack on Truman’s foreign policy agenda by charging that the State Department and its Secretary, Dean Acheson, harbored “traitorous” Communists. Although McCarthy displayed a list of names, he never made the list public. The President responded the following month in a news conference by charging that McCarthy’s attacks were in effect sabotaging the nation’s bipartisan foreign policy efforts and thus aiding the Soviet Union. " 

February 1848 is when it was added. if that's what you were asking