A retaining wall can include wall blocks positioned to retain material against a rear side of the wall blocks. A method for supporting such a retaining wall method includes attaching at least one of the wall blocks to at least one ground-stabilizing base body supporting the wall blocks. The ground-stabilizing base body can include a flexible cable attached to the rear side of at least one of the wall blocks and to a portion extending rearward away from the rear side of at least one of the wall blocks.