Adding the modal overlay screen makes the dialog look more prominent because it dims out the page content.

 

Abolitionism - Digging Deeper

 

Would you like to learn more about this topic? Here are some suggestions for digging deeper:

David Brion Davis, Inhuman Bondage: The Rise and Fall of Slavery in the New World. New York: Oxford University Press, 2008.

Seymour Drescher, Abolition: A History of Slavery and Antislavery. Cambridge: Cambridge University Press, 2009.

Paul Goodman, Of One Blood: Abolitionism and the Origins of Racial Equality. Berkeley: University of California Press, 1998.

Stanley Harrold, American Abolitionists. Harlow, England: Pearson Education, 2001.

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