They were fighting the Germen mercenaries. George Washington retreated from New York after the defeat.
Battle of Brandywine
Washington's troops crossed the frozen Delaware river on Christmas. They ambushed the Hessians.
Battle of Saratoga
Washington flanked the British. British troops mostly leave New Jersey after Princeton
SUMMARY
It was major loss for the Americans. Washington was trying to protect Philadelphia but failed.
The battle of Saratoga was a win for the Americans. The battle was the turning point of Saratoga.
We first started with a loss at Long Island. Then, we succeed at the battles of Trenton and Princeton. Then, we had a major loss at the battle of Brandywine, Lastly, the Americans won the battle of Saratoga, turning point