To admit the central role of the State on the world economic structures supposes that the concept of economic war cannot be thus integrated into the traditional liberal current, which rejects interventionism out of its field of analysis. The problem is that the concept of war economic remains very vague and that it covers a multiplicity of policies. is the economic war a phenomenon definitely admitted in the contemporary world economy or is it only the manifestation of the last increasingly impotent sudden starts of States, whose capacity is diluted in economic universalization? Contrary to some ideas announcing the end of the policy, it appears that new economic interventionism reinforces the political power of States. All the countries are however not equal in the economic war. In fact, it seems that the American economic offensive inevitably does not meet much resistance on behalf of the other countries. Economic war are mainly well framed by the United States