Question: Arthur A. Kimball helped establish the Economic Cooperation Administration for administering a plan that was in operation for how many years?
Sentence (from "Marshall Plan"): The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative to aid Western Europe, in which the United States gave over $13 billion (approximately $132 billion in current dollar value as of September 2017) in economic support to help rebuild Western European economies after the end of World War II.
Relevant evidence: No