Answer: Rome based its authority on the undisputed presence of the holy apostles St. James and St. Philip , both executed whose remains are kept here.
Explanation:
The Church of the Twelve Holy Apostles is a 6th-century Roman Catholic parish and titular church and minor basilica in Rome, Italy, dedicated originally to St. James and St. Philip, and later to all Apostles.
It is traditionally believed that Peter was crucified in Rome and buried where the Basilica of St Peter was later built, beneath the high altar. In 1939, the Vatican announced that the bones of Peter had been found in Rome during an archaeological dig.
The Church of the Holy Apostles also known as the Imperial Polyándreion (imperial cemetery), was a Greek Eastern Orthodox church in Constantinople, capital of the Eastern Roman Empire The original church of the Holy Apostles was dedicated in about 330 by Constantine the Great, the founder of Constantinople.
The Church of the Holy Apostles in Constantinople (modern Istanbul) was the burial place of the Byzantine Emperors and Patriarchs.
Currently the 12 Apostles burial locations are secure and in places to visit.
