Complex sentence: Snow, p.69 According to ethnologist T. J. Brasser with climate unfavorable for agriculture, small semi-nomadic bands of a few patrirelated families subsisted on fishing and hunting, and weakly developed leadership did not extend beyond hunting parties.
Split into simpler sentences: Snow, p.69 According to ethnologist T. J. Brasser, with a climate unfavorable for agriculture, small semi-nomadic bands of a few patrilineally related families subsisted on fishing and hunting. Their weakly developed leadership did not extend beyond hunting parties.