The Catholic Church did NOT "help" to spread Christianity. It did spread Christianity through the lives and witnesses of thousands of saints over the centuries. The Catholic Church is the only Church founded by Our Blessed Lord, and He guaranteed to be with it until the end of the world. (Matthew 28:20)
he helped set up a string of missions to convert Indians to Christianity
the reformation
The Protestant Reformation and the nailing of the 95 thesis on the Chatholic church in England.
Hierarchy
Hersey is the belief that contradicts basic church teachings! Hope I helped
Doctrine in the early Christian church helped unify the people by helping them to understand the differences between Judaism and the new form of Christianity - Roman Catholic.
They helped natives learn Christianity
Christ's church was founded in Jerusalem. The account is found in Acts 2.it was acually later turned into christianty but his original idea was to reform the Jewish religion sort of like the reformation but with JudiasmChristianity began in Israel in the city of Bethlehem.Hope that helped,(:http://wiki.answers.com/Where_did_Christianity_begin#ixzz19wpIZSLd
The Bible does not say his name, yet Paul and Silas helped him to convert to Christianity after the earthquake freed them from their prison cells
Kings and Monasteries helped to spread Christianity.
There were many people who might be considered leaders who helped set up the early Christian church. Jesus was the person who actually founded the church, but describing him as having "helped set it up" seems an inaccurate description. In my opinion, a good candidate for that role would be Paul, who not only made great strides in setting out the theology of the early church, but also was the first official missionary to the Gentiles and helped to spread Christianity as far as Rome, among other places.Other answers:One of the earliest recorded champions of Christianity in the Roman Empire was the Emperor Constantine, who changed the national religion of all of Rome to Christianity.You also need to research the first popes to get a full background on the development of the church and it's hierarchy.Henry the 8th helped set up the Anglican Church (also known as the Church of England).From a Bible standpoint:The church began in Jerusalem around 30 AD. Acts of the Apostles is a history of the birth and development of the "early" (true) church, and contains the answer to your question.