C. F. Keil and Franz Delitzsch on Leviticus 26:21-22

Lev 26:21-22

The second stage. - But if the people’s resistance amounted to a hostile rebellion against God, He would smite them sevenfold for their sin by sending beasts of prey and childlessness. By beasts of prey He would destroy their cattle, and by barrenness He would make the nation so small that the ways would be deserted, that high roads would cease because there would be no traveller upon them on account of the depopulation of the land (Isa 33:8; Zep 3:6), and the few inhabitants who still remained would be afraid to venture because of the wild beasts (Eze 14:15). עם קרי הלך (“to go a meeting with a person,” i.e., to meet a person in a hostile manner, to fight against him) only occurs here in Lev 26:21 and Lev 26:23, and is strengthened in Lev 26:24, Lev 26:27, Lev 26:28, Lev 26:40, Lev 26:41 into עם בּקרי הלך, to engage in a hostile encounter with a person. שׁבע מכּה, a sevenfold blow. “According to your sins,” i.e., answering to them sevenfold. In Lev 26:22 the first clause corresponds to the third, and the second to the fourth, so that Nos. 3 and 4 contain the effects of Nos. 1 and 2.