How might europe be different if the black plague never occurred

Why are constitutions, both federal and state, necessary for our government?

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?

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.