13. When Xuan Di proclaimed himself emperor, why did Zhang Anshi recommend Su Wu? Please analyze it briefly.

When Xuan Di proclaimed himself emperor, Zhang Anshi recommended Su Wu because Su Wu Tongda was familiar with Juck Zhang's allusions, and his mission did not disgrace your life. Zhang Anshi, the general of Wei, recommended Su Wu Tongda to be familiar with allusions, and his mission did not disgrace your life. Emperor Zhao's last words talked about these two strengths of Su Wu. Emperor Xuandi called Su Wu to the yamen for an edict.