G.P.

Garrison's "Westward Extension" (1906) deals especially with the Mexican War and its results.

T.C.Smith's "Parties and Slavery" (1906) follows the gradual disruption of parties under the pressure of the slavery controversy.
From the mass of contemporary controversial literature a few titles of more permanent interest may be selected.

William Goodell's "Slavery and Anti-slavery" (1852) presents the anti-slavery arguments.

A.T.
Bledsoe's "An Essay on Liberty and Slavery" (1856) and "The Pro-slavery Argument" (1852), a series of essays by various writers, undertake the defense of slavery.
Only a few of the biographies which throw light on the crusade can be mentioned.