The Fourth Crusade (1202–1204) was originally intended to conquer Muslim-controlled Jerusalem by means of an invasion through Egypt. Instead, in April 1204, the Crusaders of Western Europe invaded and sacked the Christian (Eastern Orthodox) city of Constantinople, capital of the Eastern Roman Empire (Byzantine Empire).
I would say that the best answer would be the second option:
"To establish the goals and purposes of government."
Answer:
If I'm not mistaken, (At least I <em>hope</em> I'm not mistaken), that is true.
Explanation: