The political ideology that believes in individual liberties and rights, based on the idea of free will, and that people are born equal is known as .

classical liberalism

Explanation:

Classical liberalism is a political ideology and philosophy emphasizing the freedom of individuals and less control and power if the government. It is a branch of liberalism which suggests civil liberties under the rule of law and limited government policies and control with an emphasis on economic freedom. It is related to economic liberalism and was a response to 19th century urbanisation and industrialization of Europe and North America.

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c. wright mills's sociological imagination suggest investigating to explain this increase?