"Fast Incan communications lets you train soldiers faster."
In-game description

Incan Chasquis Messengers is a technology in Age of Empires III that can be researched at a Trading Post built on an Inca settlement. Once researched, it reduces the training time of military units at varying rates depending on the unit in question:

Skull Knights and Dog Soldiers are also spawned 25% faster than normal with this technology.

Strategy Edit

Incan Chasquis Messengers is possibly the most important upgrade for a Treaty game, since it significantly improves unit train rates. No civilization should pass it up in long-running games if they have the resources and Trading Post(s) needed.

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