The puzzle of choosing cooperation strategies -- What explains strategy choice? : the theoretical framework -- The rise and fall of the Pacific Pact : U.S. policy toward early postwar security arrangements in Asia -- From "United Action" to the Manila Pact : the Eisenhower administration and regional security arrangements in Southeast Asia -- From NAT to EDC : U.S. policy toward regional security in Europe : a comparative perspective -- Reviving postwar Japanese trade : American strategies during the Truman and Eisenhower administrations -- The form of foreign aid to Asia : from Truman to Johnson -- U.S. strategies for European economic recovery : the Marshall Plan in a comparative perspective -- Wither America's regional strategy? : conclusions and implications for post-Cold War U.S. policy.