Originally proposed by Lothar Kilian (1983) and Alexander Häusler, the Broad Homeland hypothesis ties the spread of Indo-European languages to many local developments that shared certain common ideas over a wide area. Their rejection of Kurgan intrusions impelled them to assume a relationship between the Pontic-Caspian cultures and the cultures from Northern and Central Europe that predated the Neolithic Corded Ware and Yamna cultures. Lothar Kilian isolated twenty-three diagnostic features and argued that essential markers of the Corded Ware culture, such as cord-decorated beakers,amphorae and battle-axes, could not be found in the Pontic-Caspian area, and essential markers of the steppes, such as egg-shaped pottery, hammer-head pins, ochre and a variety of burial postures, were unknown i