Type of government during the eighteenth century?

During the eighteenth century, various forms of government coexisted, including absolute monarchies, constitutional monarchies, and republics. Absolute monarchies, such as those in France and Russia, concentrated power in the hands of a single ruler. In contrast, the Enlightenment inspired the emergence of constitutional governments, which limited royal authority and emphasized individual rights, as seen in Britain. Additionally, the American Revolution led to the establishment of a republic, influencing democratic movements worldwide.