Why did the British leave Philadelphia?

The British position in Philadelphia became untenable after France’s entrance into the war on the side of the Americans. Loyalists in the city sailed down the Delaware River to escape the Patriots, who returned to Philadelphia the day after the British departure.Click to see full answer. In this way, why did the British want to isolate New England?General Burgoyne believed he and his troops could then take control of the Hudson River and isolate New England from the other colonies, freeing British General William Howe to attack Philadelphia. As Burgoyne’s army marched south, Patriot militia circled north, cutting the British supply line.Similarly, who won the battle of Philadelphia and why? Answer and Explanation: The British won the Battle of Philadelphia without firing a shot. After General Washington had lost at the Battle of Brandywine and the Clouds, his Herein, why was the battle of Philadelphia important? The Battle of Germantown played an important role in the outcome of the Revolutionary War. Although the British won the battle, the Continental Army had finally gone on the offensive and attacked the British. This gave the soldiers and the patriots a renewed confidence that they could win the war.What happened in the battle of Philadelphia?Battle of Philadelphia. During the summer of 1777, the British army began an initiative to capture the colonial capitol of Philadelphia. Regardless, the defeat at the Battle of Brandywine led to the eventual capture of the continental capitol at Philadelphia by the British army on September 26, 1777.