The Wealth of Nations by Part 4 Chapter 7 Page 134

It has partly been drawn from those branches of trade by the attraction of superior profit in the colony trade in consequence of the continual increase of that trade, and of the continual insufficiency of the capital which had carried it on one year to carry it on the next.

It has partly been driven from them by the advantage which the high rate of profit, established in Great Britain, gives to other countries in all the different branches of trade of which Great Britain has not the monopoly.

As the monopoly of the colony trade has drawn from those other branches a part of the British capital which would otherwise have been employed in them, so it has forced into them many foreign capitals which would never have gone to them had they not been expelled from the colony trade.