Ten-pin bowling which govern the sport and have predominant influence over its rules. These two central bodies are based in the United Kingdom and the United States, but their influence and ascendant ruling are highly respected globally and are projected worldwide. Additionally, there is the World Tenpin Bowling Association (WTBA), a part of the WB organization, which governs the sport of tenpin bowling throughout the world of which is divided in three zones; the American Zone, Asian Zone and European Zone. In England, ten-pin bowling is sanctioned and governed by the BTBA (British Tenpin Bowling Association). The BTBA is devoted to the
Five-pin bowling counter pin had to be knocked down to score any points). The rule change went in effect in 1968 in eastern Canada, but the Western Canada 5-pin Bowling Association rejected the change, and as a result there were no national championships until 1972 after the west accepted abolishing the counter pin. (Although some leagues continued with the counter pin system for several more years.) Five-pin bowling allows for more strategy in its play than the ten-pin variant, because of the differing point values for each pin. For example: If a player fails to score a strike in 10-pin bowling, it