 Baekje was a powerful maritime nation whose influence extended across the sea to Liaoxi and Shandong in China, taking advantage of the weakened state of Former Qin, and Kyushu in the Japanese archipelago.Gogukyang, a son of Gogukwon, invaded Baekje in 386.In 392, Gwanggaeto the Great led an attack on Baekje with 40,000 troops, capturing 10 walled cities.