Which statement best explains the compromise northern and southern delegates reached regarding foreign trade? a. the states would be able to make their own rules about trading with foreign nations, but trade in slaves would be prohibited. b. the federal government would regulate foreign trade but not pass any laws regarding the slave trade for 20 years. c. existing regulations on foreign trade would be enforced, but no new regulations would be created without the approval of all states. d. the slave trade would be allowed to continue, but slaves would only be sold for three-fifths of their prior value.