Lafayette successfully avoided engaging Cornwallis, who used his numerical advantage to detach forces for raids against economic, military, and political targets in central Virginia. After about one month of this activity, Cornwallis turned back to the east, marching for Williamsburg. Lafayette, whose force grew to number about 4,000 with the arrival of Continental Army reinforcements under General Anthony Wayne and additional experienced militiamen under William Campbell, followed Cornwallis. Buoyed by the increase in his troop strength, Lafayette also became more aggressive in his tactics, sending out detachments of his force to counteract those that Cornwallis sent on forage and raiding expeditions. One such foray led to a clash at Spencer's Ordinary, a crossroads not far from Williamsburg, in late June.