Why the church is one, holy catholic and apostolic?

There is only one united church, whose teachings are based on the teachings of Jesus Christ. It is holy because Jesus Christ is at its head, it is Catholic because it is universal. It has a task to reach everyone. It is apostolic because it has based it beliefs on the works of apostles, the disciples of Jesus Christ.

Explanation:

Catholic Church became an important element in Europe when Constantine The Great introduces Edict of Milan. Since then, the role of church grew stronger. During the Middle Ages it had the highest authority. Practically no one doubt the word of the Holy church.

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answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;