Which of the following explains one method the roman catholic church used to unify europe after the roman empire collapsed?
a. it forced all eastern orthodox christians to respect the pope’s authority.
b. it brought european christians together to combat the spread of islam.
c. it established the code of justinian as the official european legal system.
d. it required that latin act as the official spoken language throughout europe.

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

Read a report of the paris medical faculty from 1348 about the plague. we can say that the main cause of this pestilence was and is the configuration of the heavens. in 1345, at 1: 00 in the afternoon of march 20th, there was a major conjunction of three planets in the constellation of aquarius. this conjunction, along with others like it and the eclipse caused a deadly corruption of the air around us. what is the most likely reason this document would be important to a historian’s study of the black death? a) it shows the importance of astronomy in medicine today. b) it shows how medicine once differed in paris and london. c) it shows how the plague’s cause was interpreted in the past. d) it shows the desperation to find a cause of the black death.

Which event occurred in 1943 and to make the allied victory possible choose all answers that are correct