Shout - Inspirit one another to the onset with the battle cry.
given ... hand - an idiom for, “submitted to” the conquerors (1Ch 29:24, Margin; Lam 5:6).
as she hath done, do unto her - just retribution in kind. She had destroyed many, so must she be destroyed (Psa 137:8). So as to spiritual Babylon (Rev 18:6). This is right because “it is the vengeance of the Lord”; but this will not justify private revenge in kind (Mat 5:44; Rom 12:19-21); even the Old Testament law forbade this, though breathing a sterner spirit than the New Testament (Exo 23:4, Exo 23:5; Pro 25:21, Pro 25:22).