>>402
というネトウヨのデマ
2000BCにはすでに沿海州地域に雑穀栽培と農耕具が伝播している

Table 1. Selection of sites with textile technology in the Transeurasian linguistic region, specifying the simultaneous occurrence of millet or hemp cultivation and agricultural tools.
https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200213105622005-0569:S2513843X20000043:S2513843X20000043_tab1.png