There is also the indication that there were many different factions in the church and that these factions competed for apostolic authority. (religion-online.org)
In opposition to this decision stand the false brothers who do not have apostolic authority based on the truth of the gospel, and would not grant equality to the Gentile believers. (religion-online.org)
It is the catechists job to respond to that type of question, as patiently and painstakingly as is necessary — for instance to explain apostolic authority, that Christ gives his authority to the Church. (faith.org.uk)