This passage is an example of Enlightenment thinking because Wollstonecraft
O argues that prejudice has some advantages,
o explains the origin of prejudice,
O values reason over prejudice,
O illustrates how prejudice contains some truth.

Explains the origin of prejudice,

Explanation:

Although you did not put the text that the question is referring to, through research we can conclude that the Enlightenment thinkers and the people who sympathized with this philosophy believed that a certain subject could only be debated and stimulated or discouraged in society, through the full knowledge on this subject, which included knowing its origins and how it was disseminated in society.