The Land Covenant is recorded in Deuteronomy 29:10-15, 30:11-20. It reaffirms the land given in the Abrahamic Covenant (Genesis 15:18).
YHWH used the Hebrews as an example of what sinful ways do to a community with the intention that the rest of the world should see it as an example.
After the people were led to safety and freedom, Moses received God's Laws. But down below it didn't take long for the people to backslide into their evil ways. And as a result they had to suffer wandering in the wilderness for forty years, before settling into the promised land.
After the forty years of wandering in the desert, the Hebrew people were ready to enter the land God has promised to them (Numbers 26-36).
YHWH then made another Covenant with the Hebrew people. The people must obey, and as a reward they would be blessed and prosper in their new land. If they did not obey, they would be cursed and punished. They would be disbursed and destined to live in other lands — running from place to place never having real peace (Deuteronomy 28:15-68).
The Covenant is not cancelled for disobedience; instead, they are divinely chastised, punished, forgiven, and then returned to their land.
The Hebrew people, just like the rest of us, chose disobedience and suffered greatly throughout the centuries. But in spite of great hardships the Jewish people kept their faith. And today, since 1948, they are living in the age of the regathering. They are returning from over 108 different nations to their ancient homeland and they will NOT be removed again (Deuteronomy 30:10; Ezekiel 37:11-14; Amos 9:13-15).