Adam Clarke on Psalms 60:1

O God, thou hast cast us off - Instead of being our general in the battle, thou hast left us to ourselves; and then there was only the arm of flesh against the arm of flesh, numbers and physical power were left to decide the contest. We have been scattered, our ranks have been broken before the enemy, and thou hast caused the whole land to tremble at our bad success; the people are become divided and seditious. "Thou hast made the land to tremble, even the breaches of it, for it shaketh, it is all in commotion," Psa 60:2.