Study on Trade Support in America

Under the condition of economic globalization and trade liberalization,as a new player in the stage of international trade,China faces an inevitable challenge-trade friction.Under the pressure frequently put by the U.S.,the top priority task for China is to find out the root cause and work out countermeasures.American trade support policy was a result of lasting power struggle between the Congress and the president under the constitutional government for the aim of national benefit maximization.This political trade system has characters both of liberalism and protectionism,and it varies with the change of America's position in the international trade.