What rule, passed by Congress, prohibited the discussion of anti-slavery petitions until 1843?

The Gag Rule was a significant parliamentary procedure enacted by Congress which effectively prohibited any discussion or debate regarding anti-slavery petitions on the floor of the House of Representatives. This rule was implemented primarily to silence the increasing calls for the abolition of slavery, particularly in the wake of mounting petitions from abolitionist groups during the 1830s. The Gag Rule was a strategic move by pro-slavery congressmen to avoid confrontation over the issue of slavery, which was deeply divisive and contentious at the time.

By stifling debate, the Gag Rule reflected the tension and resistance surrounding the national discussion of slavery, as many in the South sought to maintain the institution and prevent any challenges to it. This rule remained in effect until it was successfully contested in 1843, allowing for a more open debate on the matter. The context of this legislation underscores the complexities of American political life regarding slavery and highlights the intense struggle over the rights of citizens to petition their government on matters of human rights and ethics.