Rock carving suggest that Stone Age people were hunting whales for food as early as 2 200 BC
Such hunting is still essential today in a number of races including the Inuit Practiced people of Greenland and North America. Whaling became big business from the seventh century as the demand for whalebone and whale oil rose, and humpback and sperm whales were hunted in increasingly large numbers. But just as stocks of these species began to fall, the explosive harpoon-gun was invented. This weapon, together with the development of steam-power ships, whalers to hunt the fast-moving Empowered the fin and blue whales.
In 1905 the Whaling Fleets moved to the waters of Antarctica. The introduction of massive factory ships enabled the whales to be processed at sea. As a result, the blue whale had Cool virtually disappeared by the 1950s. In 1946 the International Whaling Commission was established to maintain the declining whale populations (để duy trì số lượng loài cá voi đang suy giảm). Quotas were done but these were often ignored and numbers continued to fall. Hunting of many species continued until 1986 when the IWC finally responded to international pressure (Đoi Pho Quoc Te Voi Suc Ep) and a ban on commercial Whaling was introduced.
1. A. B. essential survival (Cot Loi / Co Ban) basic C. D. Subsistence
2. Groups A. B. C. societies races (Chung Toc) D. Nationalities
3. A. demand B. desire C
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