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,
Box lacrosse in unused hockey rinks. Canadians adopted the new version of the sport quickly. Eventually, it became the more popular version of the sport in Canada, supplanting field lacrosse. The form was also adopted as the primary version of the game played on Native American reservations in the US and Canada by Iroquois and other Native peoples. It is the only sport in which the American indigenous people are sanctioned to compete internationally, participating as the Iroquois Nationals. However, many field lacrosse enthusiasts viewed the new version of the sport with negativity. The first professional box lacrosse games were held in