the present Volume completes the History of the American Revolution
, considered in its causes.
The three last explain the rise of the union of the United States from the body of the people, the change in the colonial policy of France, and the consequences of the persevering ambition of Great Britain
to consolidate its power over America.
The penal Acts of 1774 dissolved the moral connection between the two countries, and began the civil war.
The importance of the subject justified comprehensive research.
Of printed works my own collection is not inconsiderable; and whatever else is to be found in the largest public, or private libraries, particularly in those of Harvard College, the Boston Athenaeum
, which is very rich in pamphlets, and the British Museum, have been within my reach.
Still greater instruction was derived from manuscripts.
The records of the State Paper Office
of Great Britain
best illustrate the colonial system of that country.
The opportunity of consulting them was granted me by the Earl
of Aberdeen, when Secretary of State
, and continued by Viscount Palmerston
, by Earl Grey, and by the Duke