Final answer:
The ideas of the Enlightenment philosophers challenged traditional authority and emphasized reason, science, and individual rights, influencing the development of democratic principles and inspiring revolutionary movements like the American and French Revolutions.
Step-by-step explanation:
The ideas of the Enlightenment philosophers were revolutionary for the time because they challenged traditional sources of authority, such as monarchy and religion, and emphasized reason, science, and individual rights. For example, thinkers like John Locke argued that all individuals have natural rights to life, liberty, and property, which influenced the development of democratic principles and the concept of human rights in many countries. Additionally, Enlightenment ideas shaped the world by inspiring movements like the American Revolution and the French Revolution, which sought to overthrow oppressive systems and establish more egalitarian societies.
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