Who was the head of the Eastern Orthodox Church after the East-West Schism?

No copying 15pts describe the belief in purgatory and explain the reason for the sale of indulgences.

Need asap). based on the government system in the united states, which individual activity is used to directly influence legislative decisions? source: florida department of education. ( a) watching political debates on television, ( b) gathering signatures for a petition, ( c) discussing political issues at work, ( d) collecting opinions for a yearbook. ( question 2) -- i posted a picture of the question and answer choices.

Brainliesttt ! : ) -global military, political, and psychological responses to terrorism?