Not the least of Washington’s problems was that he had command of a siege, yet within his entire army there was not one trained engineer to design and oversee the building of defenses. Still, he ordered larger and stronger defenses built, and the work went forward. “Thousands are at work every day,” wrote the Reverend William Emerson of Concord after touring the lines. “ ’Tis surprising the work that has been done. . . . ’Tis incredible.” It had been the Reverend Emerson who declared the morning of April 19, as British regiments advanced on Concord, “Let us stand our ground. If we die, let us
...more

