Complex sentence: In a diversionary move of his own, Steele ordered Thayer's Frontier Division to make a feint toward Washington, thereby drawing the enemy into a fight south of the prairie, while the main part of the Union force rapidly diverted eastward on the Camden Road.
Split into simpler sentences: In a diversionary move, Steele ordered Thayer's Frontier Division to make a feint toward Washington, thereby drawing the enemy into a fight south of the prairie. The main part of his Union force rapidly diverted eastward on the Camden Road.