The answer is D. you can see the drop in the graph
The reconstruction plan, developed at a meeting of the participating European states, was drafted on June 5, 1947. It offered the same aid to the Soviet Union and its allies, but they refused to accept it,[8][9] as doing so would allow a degree of US control over the communist economies.[10] In fact, the Soviet Union prevented its satellite states (i.e., East Germany, Poland, etc.) from accepting. Secretary Marshall became convinced Stalin had no interest in helping restore economic health in Western Europe.<span>[11]</span>
A) President Lyndon Johnson faced impeachment proceedings because of it's passage.
