Jesus Christ commanded the apostles, in an order called the Great Commission, to go forth to all the nations of the world and teach them about God, and love, and goodness and compassion. He added...
An Apostolic church is where people who are apostolic go to worship. Being an Apostolic is just a definition of what the "members" of the church are called because they are considered Apostles, like...
the Armenian Apostholic church never splitted from the Catholic Church. there was a major separation of churches back in 451 AD (see: Council of Chalcidon), and the Armenian church is from one part...