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.
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.
He favoured immediatism, but he differed sharply from the Garrisonian abolitionists, who abhorred the federal Constitution and favoured secession.
Letter on Colonization (1834), Vindication of Abolitionists (1835), American Churches the Bulwark of American Slavery (1840, 3rd ed.