Amos 7:2

“And it came to pass, [that] when they had made an end of eating the grass of the land, etc.] That is, the grasshoppers or locusts; when in the vision it seemed to the prophet that almost all the grass of the land was eaten up, and they were going to seize upon the corn, and other fruits of the earth: this signifies not Sennacherib’s invasion of the land of Judea, but Pul’s invasion of the land of Israel, whose army seemed like these locusts; and spreading themselves over the land, threatened it with desolation, as these locusts seemed to have wholly consumed all the grass of the land; then the prophet said what follows: then I said, O Lord God, forgive, I beseech thee; the sins of the…”

“by whom shall Jacob arise?--If Thou, O God, dost not spare, how can Jacob maintain his ground, reduced as he is by repeated attacks of the Assyrians, and erelong about to be invaded by the Assyrian Pul (Kg2 15:19-20)? Compare Isa 51:19. The mention of "Jacob" is a plea that God should "remember for them His covenant" with their forefather, the patriarch (Psa 106:45). he is small--reduced in numbers and in strength.”

“It came to pass - In the vision. By whom - How shall any of Jacob escape, if thou dost cast him down? Amos 7:3”

“7:2 Israel is so small: The population base of the kingdom was not large enough to survive such radical depletion.”

“when: Exo 10:15; Rev 9:4 O Lord: Amo 7:5; Exo 32:11, Exo 32:12, Exo 34:9; Num 14:17-19; Jer 14:7, Jer 14:20, Jer 14:21; Dan 9:19; Jam 5:15, Jam 5:16 by whom shall Jacob arise: or, who of (or for) Jacob shall stand, Isa 51:19; Eze 9:8, Eze 11:13 for: Psa 12:1, Psa 44:24-26; Isa 37:4; Jer 42:2; Zac 4:10 Amos 7:3”