Statistics for occurrence #1 of “Cleveland A. S. Conventions” in chapter 5 of Francis Jackson Garrison, William Lloyd Garrison, 1805-1879; the story of his life told by his children: volume 2:

...eavor to convert the A. S. Organization into a political Party of voters. Garrison's opposition to a Third Party is generally seconded by abolitionists outside of New York State, and the Albany and Cleveland A. S. Conventions fail to end in nominating candidates for President and Vice-President. Up to the year 1839, the momentum of the antislavery agitation had overcome all obstacles from without, all minor difference...
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