The Sun and the Moon gravitational pull on the earth causes high  and low tides which give the ocean waves their energy.   Ocean waves get their energy from wind blowing â¦ across the surface  of the water. When the wind contacts the water, some of its energy  is transferred. 4 people found this useful.
Also in 1957, the Treaty of Rome creates the European Economic Community (EEC), or âCommon Marketâ. Spain In the European Union. In 1986, SPAIN and PORTUGAL joined the European Community, making it the Community of Twelve. In 1992 the Twelve signed the Treaty on European Union. In November 1993 the Treaty on European Union came into force. In 1994 accession negotiations were concluded with Austria, Finland, Norway and Sweden.
In 1957 in the Italian city of Rome, the member countries signed another treaty and made the European Economic Community. Now it was a community for coal, steel and for trade. Later it changed the name to the European Community. In 1993, with the Treaty of Maastricht it changed its name to the European Union. Now the member countries work together not only in politics and economy (coal, steel and trade), but also in money, justice (laws), and foreign affairs.