Box lacrosse is typically penalized with expulsion and suspensions. In 1990, when the Six Nations created the new Mohawk lacrosse league, fighting was specifically targeted as unacceptable. Violators were ejected from the game in which the altercation occurred and given a minimum three game suspension. Box lacrosse is the most popular version of the sport in the Czech Republic. It is also played to a marginal degree in Australia, primarily by players who have played field lacrosse. Club level box lacrosse leagues in the United States have increased the number of players exposed to the sport, including the: Baltimore Indoor Lacrosse League,
Lacrosse in Canada and box lacrosse. In 1931, big city hockey promoters introduced "box lacrosse" to turn winter hockey fans into a year-round audience. Box lacrosse was played in a smaller indoor arena space, and competitions could also be held in baseball stadiums, and again, the play was violent. Not enough cities could support teams, however, and the hard times of the Great Depression in the 1930s reduced the number of fans. Entrepreneurs, while failing to make a major commercial success, transformed Canadian amateur lacrosse, making it quite different from field lacrosse as played in the United States, Britain, and Australia. In 1987