k, and was under the rule of Waldemar IV at that time. The Hanseatic League (a commercial federation of European Cities) however, controlled trade.In 1380, Denmark and Norway were joined together in a union under one king, Olaf II. In 1389, Margaret I achieved the crown of Sweden and completed successfully to form the Union of Kalmar in 1397. Denmark was the dominant power until 1523 when the Swedish aristocrats strove repeatedly for Swedens independence within the union. Sweden won its independence in a revolt against Christian II.Denmark started the colonization of Greenland in the 18th century. The Danish trade expanded in East Asia and also in the West Indies. There they acquired several small islands. In 1953 a revised constitution was adopted, creating a unicameral parliament. This parliament permitted female accession to the throne. Greenland was also included as a complete part of Denmark, and was granted home rule in 1979. EconomyDenmark is a thoroughly modern market in economy and features high-tech agriculture, up to date small-scale and corporate industry, extensive government welfare measures, comfortable living standards, and high dependence on foreign trade. Denmark is also a net exporter of food. The center-left coalition government is working hard to reducing the high unemployment rate (8.2%). The cause of the high employment is because they have very good welfare services. Another reason is because they have a very high salary; this causes the people in some families to depend on only one person who has a job.The marginal income taxes have been lowered by the coalition while maintaining overall tax revenues. They have also boosted industrial competitiveness through labor market and tax reforms, increased research and development funds, and improved welfare services for neediest while cutting paperwork and delays. Denmark's GPD for purchasing power parity is $118.2 billion. Their GPD for real growth rate is 2%. Their GP...