sentences:  The most likely explanation is that Ixkun was eclipsed by nearby Ixtonton and the much reduced population was now dependent upon that polity, a fate that also befell the other cities of the Dolores Plateau in the Terminal Classic.Evidence of domestic activity during the Postclassic was excavated from Group 37, to the east of the North Causeway.Group 38, immediately west of the same causeway, was also occupied during the Postclassic.