What was the significance of the 1054 excommunication of the pope and the leader of the eastern orthodox church?
a. it marked the beginning of the war between the chatholics and member of the eastern orthodox church.
b. it formalized the split between the eastern and the western churches.
c. it led to the downfall of the chatholic church.
d. it left the members of both churches without leaders.

Ahistorian is writing a book about british prime minister winston churchill. she claims that churchill was one of the earliest british leaders to realize that nazi germany was a serious threat to british security what is the best way to determine whether the historian's interpretation is valid? o a. review primary sources to see if churchill ever recorded his opinions of nazi germany. o b. find out whether the historian has written any other books about british leaders. c. analyze secondary sources summarizing the effects of nazi germany on great britain. o d. cite the historian's book in another study about important 20th- century world leaders.

Meaning “restructuring,” reduced government control and the soviet union move away from a totalitarian government. a) glasnost b) detente c) perestroike d) democracy

Dalton developed the first model of the atom that showed the structure of the inside of an atom