As Florida was depopulated, the English-allied tribes grew indebted to slave traders. They paid other tribes to attack and enslave Native Americans, raids that were a catalyst for the Yamasee War in 1715. In an effort to drive the colonists out, the Ochese Creek joined the rebellion and burned the Ocmulgee trading post. In retaliation, South Carolina began arming the Cherokee, whose attacks forced the Ochese Creek to abandon the Ocmulgee and Oconee rivers, and move west to the Chattahoochee River. The Yamasee took refuge in Spanish Florida.