Representing about 33% of the world's population-
and over 1200 organizations nationwide-Christianity is the world's largest religion.
Christianianity follows the teachings Jesus of Nazareth,and his (apostles). He was a Jewish rabbi who lived almost 2,000 years ago,killed by the romans, probably for the power and influence he was gaining,against Rome and the Jewish Rabbinacal elite.
As Judaism was "possibly"the first momotheistic religion, and it was taught to only those of the Jewish Blood Line,the era seemed "ripe" For a messianic person to bring G-D to all people-and this was Jesus's quest.
Christians believe him to be the 1 and only son of GOD, and is part of the Trinity consisting of the Father, Son and Holy Spirit.