I see it is a folly to think man can sort out the atrocities you have listed, when those atrocities result from not following God given Councels.
I God we trust, that trust requires us to live as per the councels of God.
If we had done that we would have heeded this advice.
".... The Great Being, wishing to reveal the prerequisites of the peace and tranquillity of the world and the advancement of its peoples, hath written: The time must come when the imperative necessity for the holding of a vast, an all-embracing assemblage of men will be universally realized. The rulers and kings of the earth must needs attend it, and, participating in its deliberations, must consider such ways and means as will lay the foundations of the world’s Great Peace amongst men. Such a peace demandeth that the Great Powers should resolve, for the sake of the tranquillity of the peoples of the earth, to be fully reconciled among themselves. Should any king take up arms against another, all should unitedly arise and prevent him. If this be done, the nations of the world will no longer require any armaments, except for the purpose of preserving the security of their realms and of maintaining internal order within their territories. This will ensure the peace and composure of every people, government and nation. We fain would hope that the kings and rulers of the earth, the mirrors of the gracious and almighty name of God, may attain unto this station, and shield mankind from the onslaught of tyranny. …"
Bahá'í Reference Library - Gleanings From the Writings of Bahá’u’lláh, Pages 249-250
That advice was given in the mid to late 1800's and is too slow to unfold, though after two world wars humans have tried twice, but did not go far enough.
Regards Tony