listen we take from history is that nobody wins a trade war that in order to solve a trade dispute you have to sit around the table and talk that it's good maybe as a first move to threat then that improves your leverage obama goes on but at the end of the day it's through a negotiation this is the hard lessons of history you know we went through these already in one thousand thirty when the u.s. congress decided that largest increase interest ever in the history of the u.s. we know that these aggravated the great depression we know that this was the prelude of the second world war and we know that after that countries decided that the best way to manage their trade relations was through cooperation did around the table talking giving and taking finding the census to fix the problems of their interconnection of their economies or at. executive director of the international