Complex sentence: The Tepehuános, Huichol, Cora, Tarahumara incorporated perfectly distinct nations, each with evident sedentary purposes, and a strong family structure, all whilst setting aside the bellicose attitude of the Chichimec tribe of the center of the then-current Republic.
Split into simpler sentences: The Tepehuános, Huichol, Cora, Tarahumara were distinct nations, each intending to amidst a strong family structure. They avoided the bellicose attitude of the Chichimec tribe of the center of the then-current Republic.