Which of the following could be considered a response Malthus’ argument? a. Western European countries began abandoning mercantilism and adopting free trade policies
b. More effective forms of birth control gave women greater control over fertility and contributed to declining rates of fertility in much of the world
c. New methods of industrial production became more common in parts of northwestern Europe
d. Migrants created ethnic enclaves in different parts of the world that helped transplant their culture into new environments c. 1750 to c. 1900