well, sumerian civilisation is one origin of european civilisation (the other basal root being proto-indo-european)
But for their polytheism, and hence their primitivism, of course certain social under-structures were derived from earlier cultures by the early Hebrews. However, it was the articulation and historical consistency of ethical monotheism that has brought Judaism here, where every one of those former societies are just that.
The Old Testament provides the glue essential to American Liberty.