Belgium is heavily dependent on foreign trade. Since the closing of its coal mines in the 1960s, the country has had to import most of its fuel, although it is an important producer of nuclear energy. Although less then 3 percent of the population is involved in agriculture, farm production is very intensive. The southern part of the country has not recovered from the closing down of steel plants and coal mines; the economy of the north, traditionally based on trade and textile manufacturing, has fared better.
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