The Iroquois Confederacy Was Able to Menace Its Native American

The Iroquois Confederacy was able to menace its Native American and European neighbors because of

A) its military alliances, sustained by political and organizational skills.
B) the Iroquois warriors' skill with the Europeans' muskets.
C) the scattered nature of the Iroquois settlements, which made it difficult for their enemies to defeat them.
D) the alliance with the Aztecs and Incas.
E) its use of new weapons.