While the U.S. Constitution does not explicitly define a power of judicial review, the authority for judicial review in the United States has been inferred from the structure, provisions, and history of the Constitution.
In American and Australian horse racing terminology, a trifecta is a parimutuel bet in which the bettor must predict which horses will finish first, second, and third in exact order. The word comes from the related betting term,  perfecta . A trifecta is known as a tricast in the United Kingdom, as a tierce tiercÃ© In Hong, kong as a trio ordre OrdrÃ© in france and as a Tris. in italy
In horse racing or greyhound racing, a Trifecta bet is when you place a bet on the three horses which you think will finish the race first and second and third, in a specific order. If they finish in the correct order you win, and you can win big!