The Hebrew Bible (aka "Old Testament"), is replete with prophecy regarding the Children of Israel turning back to God and being redeemed. A current obstacle is Christianity. This new religion uses a man-god (pagan) theology, supersessionist to the Covenant God made with Israel, and an alien method of salvation via "Christ."
There will come a day, when all those who put their faith in Jesus (a man) will be humbled. God will reveal Himself as beyond all form; not a man… as clearly stated in Numbers 23:19 and 1 Samuel 15:29. He will redeem His people, and they will return to the land of Israel, and follow God's commandments (as per the Torah) once again.
If America is going to be great again, it will only be for this purpose.