 Complete the following phrase:  The western portions of Pennsylvania were among disputed territory between the colonial British and French during the French and Indian War the North American component of the Seven Years War. The French had established numerous fortified sites in Pennsylvania, including Fort Le Boeuf, Fort Presque Isle, Fort Machault, and the pivotal Fort Duquesne, located near the present site of Pittsburgh. Many Indian tribes were allied with the French because of their long trading history and opposition to the expansion of the British colonies. The conflict began near the present site of Uniontown, Pennsylvania when a company of Virginia militia under the command of George Washington ambushed a French force at the Battle of Jumonville Glen in 1754. Washington retreated to Fort Necessity and surrendered to a larger French force at the 