The ECSC was successful in many respects, acting as a treaty of friendship between France and the FRG and offering a route to closer co-operation with the formation of the EEC. It was also successful in its own terms - trade in coal increased 10 times among its members. Furthermore, it fulfilled an important welfare function, providing more than 110000 apartments for workers in coal and steel industries and occupational redeployment schemes for coal and steel workers made redundant from working in uneconomic mines.