Complex sentence: Washington however, may have benefited from Clinton's weakening of the garrison at Stony Point in order to provide men for Tryon's expedition; on the night of July 15--16 a picked force under the command of General Anthony Wayne successfully captured the outpost.
Split into simpler sentences: Washington however, may have benefited from Clinton's weakening of the garrison at Stony Point in order to provide men for Tryon's expedition. On the night of July 15--16 a picked force under the command of General Anthony Wayne successfully captured the outpost.