They went to various countries to preach the Gospel
Full water immersion
The disciples are to baptize the people in the name of the Father, the Son, and the Holy Spirit.
He washed each of their feet. read these books in the bible: matthew, mark, luke, or john.
Jesus told the disciples that they should baptize people, pray for them, heal them, and spread the word of god to the utmost areas.
peter was one of jesus disciples and believed in him
John was not the oldest of the disciples. It is believed that Peter was the oldest among the twelve disciples of Jesus.
Jesus' followers were his disciples. They were people who believed who Jesus was first, and chose to be loyal to him.
St. Thomas
Christianity is the worship of Jesus Christ. Development of Christianity would have started with the disciples when they become aware and believed that Jesus was the Son of God.
All Christian Churches baptize in the name of Jesus.
Jesus asked his disciples, "But who do you say that I am?" Peter answered, "You are the Christ." Peter, according to this passage, believed that Jesus was the Messiah.
The number is not given in the Bible, but there are two interesting verses that indicate that Jesus did not baptize anyone - See John 4.1 & 2 - When therefore the LORD knew how the Pharisees had heard that Jesus made and baptized more disciples than John, (Though Jesus himself baptized not, but his disciples,)