Mounted Shooters are a ranged Cavalry unit, armed with a short-musket in American Conquest that is recruitable by the Sioux. They are trained at the stable after researching purchase rifles.
One of the main tasks of Cavalry, in general, is spreading fear so that the lines of the enemy dissolve into nothing. Having access to both of the things that most units fear the most (Horses and firearms) makes them optimal at fulfilling that task.
Their stellar movement speed makes them decent at chasing down groups of units, while constantly spreading fear.
Their decent range and ability to reload while moving makes them also a viable option for performing hit-and-run tactics.
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