Adam Smith and Other Early Liberals Adopted the Idea of Laissez-Faire

Adam Smith and other early liberals adopted the idea of laissez-faire because they

A) had no ideas of their own.
B) thought that economic competition is the best way to achieve prosperity.
C) wanted the government to promote economic growth by managing the economy.
D) saw colonies as a danger to the economy of the "mother country."
E) thought that this was the best way to promote mercantilism.