Because the Jews rejected Jesus and God's way of salvation it allowed the gentiles to come in.
Salvation and righteousness comes not from the law, but from faith in Jesus Christ and God's Word.
Paul addresses the unbelief of Israel and how he would take the wrath if he could for them to believe.
The Holy Spirit is our first fruit. We learn how the Holy Spirit is at work in our lives.
How we can live life without condemnation, in the Spirit and not in the flesh.
The works of the flesh breed death, the Spirit is life, we are co-heirs with Christ.
Paul discusses the constant pull of sin in our lives. That what we will to do we cannot always do.
If God has so much Grace, why shouldn't we keep sinning. There are so many reasons why not to.
While we were still sinners, Jesus died for us. God commanded His Love for us.
Paul preaches salvation by faith, not works, to the Jews by referencing Abraham in the Old Testament.
Paul encourages practicing righteousness, but not as a means to salvation, that's by grace.
We learn about the grounds of Gods judgement upon sinners and mercy upon the righteous.
Paul exposes the deeds of the flesh and its wickedness, and God's wrath on unrighteousness.
Jesus' identity was shown in all the OT, proven by resurrection and His Presence in us gives us Peace.