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This article is about the minor civilization version. For the major civilization version, see Lacrosse.

Practice the native sport of Lacrosse. Ranged infantry attack increased.
—In-game description

Haudenosaunee Lacrosse (Iroquois Lacrosse before the Definitive Edition) is a technology in the vanilla Age of Empires III that can be researched at a Trading Post built on an Haudenosaunee settlement. Once researched, it increases the attack of ranged infantry by 10%.