An ancient kingdom ruled by this ethnicity was called the “Land of the Tattooed Men,” named for signs of aristocracy since the Đông Sơn culture. A rebellion of this ethnicity revived the Nányuè Kingdom after storming 65 citadels. (10[1])A kingdom of this ethnicity used massive wooden stakes to entrap Kublai Khan’s fleet during a 1288 (10[1])invasion. (-5[1])In (-5[1])42 CE, Mǎ Yuǎn led Hán armies (-5[1])against elephant-riding (-5[1])tribes of this ethnicity in the Red River Delta led by the Trưng Sisters. (10[1])Lê Lợi (“leh loy”) was a leader of this ethnicity, a state (10[1])of which preceded by the name “Dai” was succeeded by the Nguyen (“win”) dynasty. For 10 points, name this ethnicity whose Ly Dynasty built Hanoi. ■END■ (10[1]0[1])