TK
https://www.google.com/url?sa=t&source=web&rct=j&url=https://baitapsgk.com/lop-10/sbt-lich-su-lop-10/bai-tap-6-trang-69-sach-bai-tap-sbt-lich-su-10-tai-sao-noi-to-chuc-nha-nuoc-van-lang-au-lac-con-don-gian-so.html&ved=2ahUKEwjhw4O63M70AhVIZ94KHe8KDCUQFnoECAYQAQ&usg=AOvVaw3nOWVykkWZ_Ybr1j91TdMY
Vì chưa có mối liên hệ chặt chẽ nhé