1.-Then so great the perception untill the economic geography,in the way just where a subject at last not development untill his own importance.Let me say then just this notion could be perfectly exogenous.
In the way than analyze the live of the own country,and in other way endogenous ever the traders just the nation
2.-But so yes,untill be talk about London it´s cleary than it have 2 points in the way untill so stronggers nature multiplier,since we could drive ever be sure that weren´t ending.
3.-Then the city ever the middle ages they could development as the river.And untill we add the other multiplier