The PULMONARY CIRCULATION of the circulatory system brings carbon dioxide fillied blood to the lungs
What I can tell you is that the states were divided on whether or not to fully slave or not slave. The compromise was a draft that said a thin line across a certain state would balance out the number of slave state to the number of free states.
Because it could not govern effectively after the reign of terror, the directory had to "disband," which led to a massive power vacuum that was eventually filled by the dictatorship of Napoleon.
