Sassafras root is still used to flavor traditional root beer, although since sassafras was banned by the U.S. Food and Drug Administration because of the carcinogenicity of its constituent safrole, most commercial recipes do not contain sassafras. Some commercial root beers do use a safrole-free sassafras extract.
There are usually 18 holes in a golf course; some have 9 holes or some multiplier of 9 holes. I have played at golf clubs with 9, 18, 27 and 36 holes. However, a standard round of golf at most golf clubs / courses involves 18 holes.
Typical championship golf courses have par values of 72, comprising four par-threes, ten par-fours, and four par-fives. Championship course par can be as high as 73 to as low as 69. Most 18-hole courses not designed for championships have a par close to 72, though some will be lower. Courses with par above 73 are rare.