Why did the addition of maine and missouri create issues for the national government?

Which of the following most accurately describes china today

Powers of states the first letter of the answer is r.

Plz which of the following provisions of the compromise of 1850 was designed to appeal to slave states? a. congress passed a strict fugitive slave law. b. the slave trade was banned in washington dc. c. texas agreed to give away some of its land so that the territory would be available for future states. d. california was admitted to the union as a free state.