John Adams, second President of the United States, declared that the history of the American Revolution began as far back as 1620. "The Revolution," he said, "was effected before the war commenced. The Revolution was in the minds and hearts of the people." The principles and passions that led the Americans to rebel ought, he added, "to be traced back for two hundred years and sought in the history of the country from the first plantation in America."
As a practical matter, however, the overt parting of the ways between England and America began in 1763, more than a century and a half after the first permanent settlement had been founded at Jamestown, Virginia. The colonies had grown vastly in economic strength and cultural attainment, and virtually all had long years of self-government behind them. Their combined population now exceeded 1,500,000-a six-fold increase since 1700.
The implications of the physical growth of the colonies were far greater than mere numerical increase would indicate. The 18th century brought a steady expansion from the influx of immigrants from Europe, and since the best land near the seacoast had already been occupied, new settlers had to push inland beyond the fall line of the rivers. Traders explored the back country, brought back tales of rich