The Battles of Trenton and Princeton were extraordinary triumphs for the Americans. Not only did the Americans gain very required weapons and ammunition, but they likewise picked up a major morale boost.
Washington had turned out to be a solid head and his triumphs re energized the progressive reason, driving approximately 8,000 volunteers to join the Continental Army in the coming months. Because of the battles of Trenton and Princeton, Philadelphia would not be captured by the British.
The key point is that the motivation to invade largely Christian and Jewish Spain was based on both the wealth from the initial conquest and the wealth generated by the jizayh tax on the population.