towards defraying the expenses incumbent on the whole society, and what are the principal advantages and inconveniences of each of those methods; and thirdly, what are the reasons and causes which have induced almost all modern governments to mortgage some part of this revenue, or to contract debts, and what have been the effects of those debts upon the real wealth, the annual produce of the land and labour of the society.

The following book, therefore, will naturally be divided into three chapters.