International economics ________ use the same fundamental methods of analysis as other branches of economics, because ________. A. does not, the level of complexity of international issues is unique B. does not, the interactions associated with international economic relations is highly mathematical C. does not, international economics takes a different perspective on economic issues D. does not, international economic policy requires cooperation with other countries E. does, the motives and behavior of individuals are the same in international trade as they are in domestic transactions