**Incase anyone out there who reads this thread later on is wondering about an answer like I was, I’ll post my answer that I find peace and faith in. I hope it helps others wondering about this question too.

**
God didn’t create evil. Evil is a choice. If we want to ask (incorrectly) “Who *created *so much of the evil on the Earth ?” Then the Bible, and Christian theology is clear on this, we did. Adam and Eve lived in perfection, and after they sinned life got hard and people turn further and further away from God. This hardship and growing of evil is directly related to their sin. Without sin in the world there would be no slavery, just like there would be no divorce.
God’s allowance and tolerance of some sin and evil is not His moral approval.
It’s also important to remember that the Bible was not meant to be a book about what every sin is. It doesn’t list all sins, just like that Mosaic Law didn’t, but it gives guidance on following God, it’s to give guidance on how to have faith and live it out. The Law was an example of God revealing what is right in the natural and spiritual law, before it could be fulfilled and fully understood. The Bible is a means to give enough guidance to bring people to faith and study and practice righteousness, but it’s not the only source of defining what is a sin and how to live righteously.** Legalism is what God didn’t want, it’s also what Jesus was against.**
Let’s say He did say “No divorce, and no slavery ever!”…
Okay, so then because of the people’s hearts they go ahead and do it anyway. God, being a just God, would HAVE to judge them, and essentially this would have meant the the Israelites might eventually have been wiped out completely. The point of the law wasn’t to point out every single sin ever (notice that abortion isn’t listed, but it can be extracted and understood from the Law ?), it was to discipline and guide the people and develop their morality, to point out what is sin, and have them recognize that the Law hangs on loving God and your neighbor. This message wasn’t revealed in full until Jesus came and died for our sins. If the people had followed the spiritual meaning of the Law, then slavery and divorce would not have needed to be regulated, but it was not
commanded.
It was the people’s hearts and sinfulness that held them back from perfecting the Law in their lives and knowing the spiritual meaning of the Law in their hearts.
8 Owe no one anything, except to love one another;** for he who loves his neighbor has fulfilled the law.** 9 The commandments, “You shall not commit adultery, You shall not kill, You shall not steal, You shall not covet,”
and any other commandment, are summed up in this sentence, “You shall love your neighbor as yourself.” 10 Love does no wrong to a neighbor; therefore love is the fulfilling of the law. (Romans 13: 8-10)
The Catechism of the Catholic Church says:
"1962 The Old Law is the first stage of revealed Law. Its moral prescriptions are summed up in the Ten Commandments. The precepts of the Decalogue lay the foundations for the vocation of man fashioned in the image of God; they prohibit what is contrary to the love of God and neighbor and prescribe what is essential to it. The Decalogue is a light offered to the conscience of every man to make God’s call and ways known to him and to protect him against evil:
God wrote on the tables of the Law what men did not read in their hearts.13
1963 According to Christian tradition, the Law is holy, spiritual, and good,14 yet still imperfect. Like a tutor15 it shows what must be done, but does not of itself give the strength, the grace of the Spirit, to fulfill it. Because of sin, which it cannot remove, it remains a law of bondage. According to St. Paul, its special function is to denounce and disclose sin, which constitutes a “law of concupiscence” in the human heart.16
However, the Law remains the first stage on the way to the kingdom. It prepares and disposes the chosen people and each Christian for conversion and faith in the Savior God. It provides a teaching which endures for ever, like the Word of God.
1964 The Old Law is a preparation for the Gospel. "The Law is a pedagogy and a prophecy of things to come.“17 It prophesies and presages the work of liberation from sin which will be fulfilled in Christ: it provides the New Testament with images, “types,” and symbols for expressing the life according to the Spirit. Finally, the Law is completed by the teaching of the sapiential books and the prophets which set its course toward the New Covenant and the Kingdom of heaven.” (Catechism)