See Wikipedia link http://en.wikipedia.org/wiki/Eastern_Catholic_Churches
the Eastern Orthodox Church and the Roman Catholic Church
I don't know if you should put it that way, try this: The Eastern Rite Churches are all part of the Catholic Church.
Chrismation.
The two churches were the Eastern Orthodox and the Roman Catholic
The term "catholic" is claimed by both the Roman Catholic Church and the Eastern Orthodox Church. The Roman Catholic Church includes all the Churches that accept the authority of the pope in Rome, including certain Eastern Churches. The Eastern Orthodox Church does not accept the authority of the pope in Rome. The pope is the spiritual leader of all Christians. However, the Protestants and Orthodox do not recognize that leadership.
Catholic.
Eastern Catholic Churches.
Maximos IV has written: 'The Eastern churches and Catholic unity' -- subject- s -: Christian union, Eastern churches
The rules that govern abstinence in the Catholic church also govern fasting. These rules are called the Code of Canon Law for Roman Catholic churches and the Code of Canons of Oriental Churches for Eastern Catholic churches.
yes they are
The Orthodox Churches and the Catholic Church were once united. The Orthodox Churches separated from the Catholic Church over political and doctrinal differences.
See Wikipedia link http://en.wikipedia.org/wiki/Eastern_Catholic_Churches