The Security of the Institution of Slavery at the South.--The Right to hold Slaves questioned.--Rapid Increase of the Slave Population.--Anti-slavery Speeches in the Legislature of Virginia.--The Quakers of Maryland and Delaware emancipate their Slaves.--The Evil Effect of Slavery upon Society.--The Conscience and Heart of the South did not respond to the Voice of Reason or the Dictates of Humanity 31 CHAPTER V. ANTI-SLAVERY METHODS. The Antiquity of Anti-slavery Sentiment.--Benjamin Lundy's Opposition to Slavery in the South and at the North.--He establishes the "Genius of Universal Emancipation."--His Great Sacrifices and Marvellous Work in the Cause of Emancipation.--William Lloyd Garrison edits a Paper at Bennington, Vermont.--He pens a Petition to Congress for the Abolition of Slavery in the District of Columbia.--Garrison the Peerless Leader of the Anti-slavery Agitation.--Extract from a Speech delivered by Daniel O'Connell at Cork, Ireland.--Increase of Anti-slavery Societies in the Country.--Charles Sumner delivers a Speech on the "Anti-slavery Duties of the Whig Party."--Marked Events of 1846.--Sumner the Leader of the Political Abolition Party.--Heterodox Anti-slavery Party.--Its Sentiments.--Horace Greeley the Leader of the Economic Anti-slavery Party.--The Aggressive Anti-slavery Party.--Its Leaders.--The Colonization Anti-slavery Society.--American Colonization Society.--Manumitted Negroes colonize on the West Coast of Africa.--A Bill establishing a Line of Mail Steamers to the Coast of Africa.--It provides for the Suppression of the Slave-trade, the Promotion of Commerce, and the Colonization of Free Negroes.--Extracts from the Press warmly urging the Passage of the Bill.--The Underground Railroad Organization.--Its Efficiency in freeing Slaves.--Anti-Slavery Literature.--It exposes the True Character of Slavery.--"Uncle Tom's Cabin," by Harriet Beecher Stowe, pleaded the Cause of the Slave in Twenty Different Languages.--The Influence of "Impending Crisis." 37 CHAPTER VI. ANTI-SLAVERY EFFORTS OF FREE NEGROES.