State of Public Affairs
When the king heard of the disasters to the British arms in New Jersey, his wrath took the form of vindictiveness; and Germain, inspired by his majesty, wrote to General Howe that he must wage a more distressing warfare, so that "through a lively experience of losses and sufferings the rebels might be brought to a sense of their duty." It was intimated that Boston and other sea-port towns in flames would be pleasing to the king; but the brothers Howe, more humane than their masters, would not engage in that kind of warfare. They sent word back that it was "not consistent with other operations." Meanwhile the sluggish British commander wasted the months of May and June in idleness at New York, when, with his large army, he might have marched to Philadelphia with very slight opposition; but he had resolved to go to that city by sea, and partly by sea he finally went.
In the meantime, Washington, with an army of about seven thousand five hundred men, composed of forty-three regiments in five divisions of two brigades each, moved from Morristown to the heights of Middlebrook on the borders of the Raritan, and nine miles from New Brunswick. At the latter place Howe assembled about seventeen thousand men, British and Germans, at near the middle of June, with boats and pontoons for crossing the Delaware. At the same time Washington's army had been rapidly increasing. Sullivan was at Princeton with fifteen hundred men. Arnold was posted on the Delaware with a division, and the troops on the Hudson were so concentrated that they might reinforce the main army quickly if required.
Howe's plan (if he had any) seemed to be to bring on a general engagement with the weaker American army. He dared not attack Washington in his stronghold, but tried to draw him out of it. He sent a detachment to attack Sullivan, but so tardy was their movement that the veteran was allowed to escape to the Delaware, pursued only three miles. This and other movements made Washington so vigilant that he was in the saddle almost continually, and his men lay upon their arms at night. On the 19th (June), Howe suddenly retreated to Amboy, and sent some of his troops over to Staten Island, so giving an impression that he was evacuating New Jersey. Washington was fairly deceived, and descending from the heights he gave chase with his whole army. Howe suddenly changed front and attempted to gain the rear of the Americans, but Washington was too quick for him. After a series of sharp skirmishes between New Brunswick and Amboy, without any serious effect on the fortunes of the campaign, the American army resumed their position at Middlebrook. On the 30th of June, the British had entirely evacuated New Jersey, and were encamped on Staten Island, where they afforded protection to a host of Tories, who fled with them from the main.
During these movements, the Congress at Philadelphia and the inhabitants there, were kept in anxious suspense by the expectation that Howe would attempt to capture that city. When they heard of the retreat of the enemy and the rapid increase of Washington's army to almost fourteen thousand men, their spirits revived, and the Congress celebrated the Fourth of July--the first anniversary of the Declaration of Independence--much as we celebrate it now, after the lapse of a century. They had a banquet, made speeches, drank to patriotic toasts, rang the bells, fired cannon, had a military procession, a naval display on the Delaware; and in the evening, fireworks, bonfires, and illuminations were displayed. To the vigilance and caution, skill and bravery of Washington, the Congress and the citizens were indebted for their safety; and yet they indulged in ungenerous reproaches of the commander-in-chief because he had not done more. Samuel Adams publicly complained of the "Fabian policy" of Washington; and Gates, who had charmed the New England delegation by his boasting and malicious criticisms, like Lee, scattered firebrands of distrust in the army. But Washington went steadily forward. Referring to these reproaches, he said he had one great object in view, which he should pursue according to the dictates of his own judgment; and that he was willing to be loaded with all the obloquy they could bestow if he committed a willful error.