April 24, 2014 E E R F ry e v a l S wed o l l a The Northwest Ordinance regulated slavery for the territory under control of the Americans in 1787. It did not plan for any territory beyond the Mississippi River. April 24, 2014 The ban against slavery should extend across the Mississippi River. Missouri should not be a slave state. Congress does not have the right to decide if slavery should be allowed in a new state. The people of that state should decide. April 24, 2014 3. Why was it important to Southerners to keep an equal number of senators from free states and slave states in Congress? Mention the defeat of the Tallmadge Amendment in your answer. • Southerners were outnumbered in the House of Representatives. • If the South and North had an equal number of senators, the South would hold onto some power in Congress. • For example, Southerners did not want the Tallmadge Amendment because it would have made Missouri a free state. They did not have enough votes to stop it in the House, but they did in the Senate—so they were able to keep the amendment from becoming law.