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.
Britain eschewed EU membership in the late 1950s but changed its mind in the early 1960s, only to be rebuffed by Charles de Gaulle. Membership came only in the early 1970s. This column argues that, among others, Britain joined the EU as a way to avoid its economic decline.The UKâs per capita GDP relative to the EU founding membersâ declined steadily from 1945 to 1972. However, it was relatively stable between 1973 and 2010.his column argues that, among others, Britain joined the EU as a way to avoid its economic decline. The UKâs per capita GDP relative to the EU founding membersâ declined steadily from 1945 to 1972.