What is a group of untrained community soldiers?

An infantry,

Explanation:

Infantry is a military specialization that engages in military combat on foot, distinguished from cavalry, artillery, and armored forces. Also known as foot soldiers or infantrymen, infantry traditionally relies on. They can operate in a wide range of terrain inaccessible to military vehicles, and can operate with War and Society.

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lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation: