The Great Schism, the initial split between the Roman Catholic and the Greek Orthodox churches, came about due to a complex mix of religious disagreements and political conflicts. One of the many religious disagreements between the western (Roman) and eastern (Byzantine) branches of the church had to do with whether or not it was acceptable to use unleavened bread for the sacrament of communion.
Cortés he was the explorer who conquered the Aztec empire for Spain and ruled it or the answer would be Spain