Democracy in America — Volume 1 by Alexis de Tocqueville

In the eleven years that separated the Declaration of the Independence of the United States from the completion of that act in the ordination of our written Constitution, the great minds of America were bent upon the study of the principles of government that were essential to the preservation of the liberties which had been won at great cost and with heroic labors and sacrifices. Their studies were conducted in view of the imperfections that experience had developed in the government of the Confederation, and they were, therefore, practical and thorough. -Introduction