Adam Smith thought cooperation between buyers and sellers could best be achieved

A

Explanation:

Adam Smith is often known as the "Father of Capitalism" and wanted free markets where companies had to compete for customers. He also believed in the "Invisible Hand".

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything