Is God a Trinity

Throughout the centuries, man has attempted to explain who and what God is.  One of the attempts to explain God developed into the doctrine of the trinity, which says God is made up of three distinct personages; the Father, the Son and the Holy Spirit.  How is this teaching justified?

Fred Nance is a pastor at the United Church of God and has a B.A. in History from Ambassador College. He is originally from Lansing Michigan having moved to Arkansas in September of 2009. His wife Lidia is originally from Argentina.