 
<translate> Iji zaa ajụjụ a, anyị kwesịrị ịma nke a: Nkwekọrịta nke Paris (1951) nke hiwere European Coal and Steel Community guzobere ikike maka ngagharị nke ndị ọrụ na ụlọ ọrụ ndị a na Nkwekọrịta nke Rome (1957) nyere ikike maka ngagharị nke ndị ọrụ n'ime European Economic Community. Ya mere, azịza ikpeazụ bụ 1957. <eng> To answer this question, we should know that: The Treaty of Paris (1951) establishing the European Coal and Steel Community established a right to free movement for workers in these industries and the Treaty of Rome (1957) provided a right for the free movement of workers within the European Economic Community. So the final answer is 1957. 