Both the Old Testament and the New Testament testify
everywhere to the sins of the Jews

Moses laid it out.

“32 For their vine is of the vine of Sodom,
Of the fields of Gomorrah:
Their grapes are grapes of gall,
Their clusters are bitter:
33 Their wine is the poison of serpents,
The cruel venom of asps.”
Deut 32:32-33

A later Jewish prophet also noted,

“14 … the Jews; 15 Who both killed the Lord Jesus, and their own prophets, and have persecuted us; and they please not God, and are contrary to all men:”
1Thes 2:14-15 KJV

All of this will turn around during a time of great stress

“When you are in oppression, and all these things are come on you, in the latter days you shall return to Yahweh your God, and listen to his voice:”
Deut 4:30

The KJV incorrectly translates this as a conditional promise, but it is an UNFULFILLED statement of what WILL BE! The next one is unambiguous even in the KJV.

“Yahweh your God will circumcise your heart, and the heart of your seed, to love Yahweh your God with all your heart, and with all your soul, that you may live.”
Deut 30:6

There will be a dramatic spiritual turnaround for the Jews, which will result in a dramatic flourishing of Christianity both in Israel and all around the world.

The great time of stress will evidently
begin with severe worldwide
persecution of Christians!

This is too big a topic to condense into a short article, but it does seem to indicate the persecution of Christians precedes the assault on Israel, but is dealt with in “Jewish Chronicles.”

The Jewish survivors of this great time of stress, will build
Israel into a mighty worldwide power

“In that day, Yahweh’s branch will be beautiful and glorious, and the fruit of the land will be the beauty and glory of the survivors of Israel.”
Isa 4:2

They will preach the gospel of Jesus Christ among the nations.

“… I will send such as escape of them to the nations, to Tarshish, Pul, and Lud, who draw the bow, to Tubal and Javan, to the isles afar off, who have not heard my fame, neither have seen my glory; and they shall declare my glory among the nations.”
Isa 66:19

There are many other passages to quote.

Here is the promise, written about 1400 BC

“40 If they confess their iniquity, and the iniquity of their fathers, in their trespass which they trespassed against me, and also that, because they walked contrary to me, 41 … if then their uncircumcised heart is humbled, and they then accept the punishment of their iniquity; 42 then I will remember my covenant with Jacob; and also my covenant with Isaac, and also my covenant with Abraham; and I will remember the land.” Lev 26:40-42

Only the truth will make the Jews … or you and me … free!

New and better days are coming for the Jews, all in their Messiah, Rabbi Jesus of Nazareth.

Unless otherwise noted, Scriptures are from the World English Bible (WEB), a copyright free revision of the original ASV American Standard Version 1901

KJV is the King James Version, 1611.