In 472, Gaero, the ruler of Baekje, sent a letter to the emperor of Northern Wei, stating that he was having trouble interacting with him due to frequent Goguryeo intervention, thus calling for military action against Goguryeo.
Gaero sent a letter to the emperor of Northern Wei. This was in 472. He was having trouble. This was what Gaero was stating in 472. He was interacting with him due to frequent Goguryeo intervention. This was what Gaero was stating in 472. He was calling for military action against Goguryeo. This was what Gaero was stating in 472. Gaero was the ruler of Baekje.