Since the Second World War economic communities (form) to reduce taxes between members and (make) it easier for capital to be transferred. Further schemes for economic co-operation (arrange) to encourage industrial and agricultural development, although in Europe the latter case (be) too successful. There also (be) problems in fixing currencies with one another to create on European currency, as some countries, for example Germany, (have) hard currencies while others, Italy for example, (have) weak currencies. Nevertheless, the idea of an economic community (spread) round the world.