Question: What British archaeologist, ppaleolinguist and Conservative peer developed the concept of Peer-Polity Interaction?
Sentence (from "Colin Renfrew"): This hypothesis contradicted Marija Gimbutas's Kurgan hypothesis, which states that Proto-Indo-European was spread by a migration of peoples from the Pontic-Caspian steppe approximately 6,000 years ago.
Relevant evidence: No