While affirming that he was "no friend of slavery" he held abolition and the abolitionists responsible for the hatred, strife, disruption and carnage that menaced the nation.
Letter on Colonization (1834), Vindication of Abolitionists (1835), American Churches the Bulwark of American Slavery (1840, 3rd ed.
After the separation of the Garrisonian and the political abolitionists in 1840 the new party was formed, and in 1840, and again in 1844, as the Liberty party, it made Birney its candidate for the presidency.
Then followed several years during which efforts were made by the abolitionists in parliament with little success.
Agents of the American Colonization Society in England having succeeded in deceiving leading Abolitionists there as to its character and tendency, Garrison was deputed by the New England Anti-Slavery Society to visit England for the purpose of counteracting their influence.