13. Which event occurred soon before the Great Schism of 1054 and helped cause the event?

A.
Pope Urban II authorized a disastrous expedition to conquer Jerusalem.

B.
Pope Clement V moved the seat of the church's power from Rome to Avignon.

C.
Pope Leo IX and Patriarch Michael Cerularius excommunicated each other.

D.
Pope Leo X ordered the sale of indulgences to fund repairs of St. Peter's Basilica.

The church splitting into Roman Catholic and Eastern Orthodox causes the Great Schism.

Assemblies do not have written codes of laws. laws are matters for magistrates and courts, not assemblies. codes of law are things such as civil law, criminal law, and constitutional law. what assemblies have are procedures regarding debating, voting and other business they might carry out.  also note that rome had three assemblies: the assembly of the soldiers, the assembly of the tribes, and the plebeian councils.