The United States Congress was not above adopting its own rules that would silence abolitionist views. While mass mailings to southerners became a regular occurrence for abolitionists, creating significant tension between proslavery and anti-slavery factions, those had occurred outside the purview of government. The House of Representatives, when it used a gag rule to prevent discussion of petitions relating to abolition, was striking a blow to abolitionists all over the country.
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