Deuteronomy 28:48-52

48therefore in hunger and thirst, in nakedness and dire poverty, you will serve the enemies the Lord sends against you. He will put an iron yoke on your neck until he has destroyed you. 49The Lord will bring a nation against you from far away, from the ends of the earth, like an eagle swooping down, a nation whose language you will not understand, 50a fierce-looking nation without respect for the old or pity for the young. 51They will devour the young of your livestock and the crops of your land until you are destroyed. They will leave you no grain, new wine or olive oil, nor any calves of your herds or lambs of your flocks until you are ruined. 52They will lay siege to all the cities throughout your land until the high fortified walls in which you trust fall down. They will besiege all the cities throughout the land the Lord your God is giving you.