Complex sentence: A peace treaty between Confederates and the Augustus was signed on 3 or 4 November 1716, as relations between the Confederates and the Russians deteriorated, as Russians made it increasingly apparent that their goals were not totally benign to the Commonwealth.
Split into simpler sentences: A peace treaty between Confederates and the Augustus was signed on 3 or 4 November 1716, as relations between the Confederates and the Russians deteriorated. The Russians made it increasingly apparent that their goals were not wholly benign to the Commonwealth.