Paul relentlessly persecuted the early Christians. Why did Jesus choose Paul to take the gospel to the gentiles?

God forgives murder and Paul thought by persecuting Christians he was doing God's work.

Jews though they were satisfying God too.

God knew that Paul wanted to satisfy him...so he blinded him and then Paul eyes were opened. Paul realized he was making a mistake

Maybe to prove that God can save and use anyone for His glory. 

After Jesus finished teaching the Gospel, the anti-Christ came and planted his words so close to Jesus' words that his words can not be removed without uprooting Jesus' words: Theophilus, Luke, and Paul, contaminated the Gospel by changing Mark and Matthew's Gospel then adding their own gentile scriptures.

antichrist originally meant "substitute" or "instead of".

You know the only source for the claim that Jesus chose Paul is Paul himself, right? (Acts was written by one of Paul's close followers.) Doesn't that seem a bit self-serving?

So unbelievers would hate him for killing His Christians (John 15:18)!

PAY BACK!

"Be not deceived; God is not mocked: for whatsoever a man soweth, that shall he also reap" (Galatians 6:7)!

GOD doesn't PLAY!

"Saying, Touch not mine anointed, and do my prophets no harm" (I Chronicles 16:22)!

Why not ask a question about why real people who actually existed did a certain thing?

I think it may have been because He recognized that Paul was an intense person that would relentlessly pursue that which he believed in. Either that or that was what the Father told Him to do!

When we choose God's will to be our own, we see how it guides us to our life purpose. We all have false ideas we carry in our minds that must be corrected to do so. These are the cause we have of the hate/ fear that must be transmuted to love to live in God's will. This why Jesus said to be his disciple we must be aware of that hate, of anyone including family members. Paul showed us how such hate was changed in his life.

Moses was a coward. David a Thief and Murderer. Jacob a Scoundrel. God can work with ANYONE!

he thought he was serving God properly. He was very wrong. His life showed this and he felt shame the rest of it.

He was of the predestined ones. ELECT

he had a threefold ministry.

Remember he met Jesus on the road to Damascus.