Answer:
The schism (when the two churches were formed) occurred in 1054. This resulted in the Roman Catholic church and the Eastern Orthodox church. This divide was caused by a mixture of religious disagreements and more political conflicts. On the religious end, the major figures of the churches couldn't decide on which type of bread should be eaten during communion, and several Popes were deemed to be corrupt. Politically, land arguments were constantly occurring between the Catholic west and the Orthodox east.