Italian guest workers were primarily affected in an incident involving production of this resource at Marcinelle. Prime Minister Jo Cals halted production of this resource, forcing Johan Kremers to restructure economic policy due to increased unemployment in Limburg. Besides timber, the thirty-fourth failure to deliver this resource to France caused Raymond Poincaré to order an occupation. This natural resource (10[1])found in the Sillon industriel prompted French foreign minister Robert Schumann to create an economic organization to make war “materially impossible.” This resource was found in the Saar basin and was extracted from the “black country” of Belgium. For 10 points, steel and what resource name a European “community” considered the forerunner of the EU? ■END■