Claim: Kurgans are mounds of earth and stones raised over a grave or graves popularised by its use in Soviet archaeology (an archaeological theory that interprets archaeological information within the framework of Marxism).
Evidence: Kurgans are mounds of earth and stones raised over a grave or graves. Popularised by its use in Soviet archaeology, the word is now widely used for tumuli in the context of Eastern European and Central Asian archaeology. Marxist archaeology is an archaeological theory that interprets archaeological information within the framework of Marxism.