The Wealth of Nations by Part 4 Chapter 7 Page 190

But the distance of the colony assemblies from the eye of the sovereign, their number, their dispersed situation, and their various constitutions, would render it very difficult to manage them in the same manner, even though the sovereign had the same means of doing it; and those means are wanting. It would be absolutely impossible to distribute among all the leading members of all the colony assemblies such a share, either of the offices or of the disposal of the offices arising from the general government of the British empire, as to dispose them to give up their popularity at home, and to tax their constituents for the support of that general government, of which almost the whole emoluments were to be divided among people who were strangers to them. The unavoidable ignorance of administration, besides, concerning the relative importance of the different