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Abstract:
Agricultural trade has been out of the World Trade Organization rules for a long period of time because of the specificity of agricultural.Trade in agricultural products were included in the agenda of negotiations since the inception of the Uruguay Round.Developed countries represented by the United States do not only have advanced agricultural technology, but also provide substantial subsidies for their agricultural products and protect trade of agricultural products to make sure their agricultural products to take the advantage in the international market competition.However, the protection of this trade has given the United States a negative impact,and it causes other countries'protests , sanctions and retaliation, and even gives rise to a trade war between each other. The general trend of protectionism may break the stable development of free trade in the era of globalization and within a short period of time it may become a wave of protectionism,and impede th