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, .

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.