According to Adam Smith what makes a nation wealthy?

Explanation: The mercantilist nations believed that the more gold and silver they acquired, the more wealth they possessed. Smith believed that this economic policy was foolish and actually limited the potential for "real wealth," which he defined as "the annual produce of the land and labor of the society."

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

d

explanation:

i think that this is the best answer, but im sorry if this is wrong