6. how were northern lawmakers convinced to allow missouri into the union as a slave state under the missouri compromise? a. slaves were now taxed as four-fifths of a person. b. maine was added to the united states as a free state. c. ohio was added to the united states as a free state. d. the florida territory was also added to the united states. 7. at the constitutional convention, what was the name given to the plan that took elements of both the new jersey and virginia plans? a. the united states plan b. the great compromise c. the compromise plan d. the constitutional plan 8. why was the louisiana purchase a bit of an embarrassment for jefferson? a. the purchase ended up being very unpopular with americans. b. his decision to buy the land went against his own belief to strictly follow the words of the constitution. c. he ended up paying much more than the land was worth. d. the french represented the land as much larger than it actually was.