Abolitionism (noun)

The belief in and promotion of the abolition of slavery and the slave trade.

Origin:

Early 19th century: from abolition + -ism.

Examples:

1. Abolitionism was a major social movement in the 19th century.
2. Many abolitionists gave speeches and wrote articles calling for an end to slavery.
3. Abolitionism played a key role in bringing about the end of slavery in the United States.
4. The abolitionist movement was supported by people of all races and backgrounds.
5. Abolitionism inspired other movements for social justice, such as women's suffrage and workers' rights.