Answer:
To build a better society or a stronger nation, all four thinkers place great importance on individual freedom. Wollstonecraft wanted to free woman of all restraints, Locke wrote that man is born in a state of perfect freedom, Smith said that every individual should be free to pursue his own interests, and Voltaire provided a rational argument against intolerance by arguing that every person should be free to practice his own religion.
Explanation:
It increased their population sizes, since farming could feed more people than hunting and gathering (the method used before the Neolithic Era).
Primary sources told an account of what actually happened because they were recorded from the actual event itself/saw the actual event
secondary sources (like our textbooks) arent 100% accurate because they are based off of the primary sources