agricultural population importing bronze and copper, as well as using rudimentary bronze-working techniques first developed in Anatolia with which they had cultural contacts. The EH period corresponds in time to the Old Kingdom in Egypt. Important EH sites are clustered on the Aegean shores of the mainland in Boeotia and Argolid (Manika, Lerna, Pefkakia, Thebes, Tiryns) or coastal islands such as Aegina (Kolonna) and Euboea (Lefkandi) and are marked by pottery showing influences from western Anatolia and the introduction of the fast-spinning version of the potter's wheel. The large "longhouse" called a megaron was introduced in EHII. The infiltration of Anatolian cultural models (i.e. "Lefkandi I") was not accompanied by widespread site destruction. Early Helladic I (EHI) The Early Helladic I period (or EHI), also known as the "Eutresis culture" c. 3200–2650 BC, is characterized by the presence of unslipped and burnished or red slipped and burnished pottery at Korakou and other sites (metal objects, however, were extremely rare during this period). In terms of ceramics and settlement patterns, there is considerable continuity between the EHI period and the preceding Final Neolithic period (or FN); changes in settlement location during the EHI period are attributed to alterations in economic practices. Early Helladic II (EHII) The transition from Early Helladic I to the Early Helladic II period (or EHII) or Korakou culture c.2650–2200 BC, occurred rapidly and without disruption where multiple socio-cultural innovations were developed such as metallurgy (i.e. bronze-working), a hierarchical social organization, and monumental architecture and fortifications. Changes in settlement during the EHII period were accompanied with alterations in agricultural practices (i.e. oxen-driven plow). Early Helladic III (EHIII) The Early Helladic II period came to an end at Lerna with the destruction of the "House of the Tiles", a corridor house. The nature of the destruction of EHII sites was at first attributed to an invasion of Greeks and/or Indo-Europeans during the Early Helladic III or Tiryns culture period c.2200–2000 BC (or EHIII); however, this is no longer maintained given the lack of uniformity in the destruction of EHII sites and the presence of EHII–EHIII/MH continuity in settlements such as Lithares, Phlius, Manika, etc. Furthermore, the presence of "new/intrusive" cultural elements such as apsidal houses, terracotta anchors, shaft-hole hammer-axes, ritual tumuli, and intramural burials precede the EHIII period in Greece and are in actuality attributed to indigenous developments (i.e. terracotta anchors from Boeotia; ritual tumuli from Ayia Sophia in