Enlightenment: An intellectual movement in Europe that emphasized reason, science, and individual rights, which greatly influenced the revolutionary ideals of the American Revolution.
Natural Rights: The idea that all individuals are born with certain fundamental rights such as life, liberty, and property; this notion played a significant role in inspiring abolitionists who fought against slavery.
Equality: The belief that all people should have equal rights and opportunities, regardless of their social status or background; this principle motivated abolitionists to advocate for equal treatment and liberation for enslaved individuals.