What is the style of Yue Fei's "Man Jiang Hong" and what historical events are described?

Manjianghong is a epigraph name. Describe the shame of Jingkang: the shame of Jingkang, the hatred of courtiers, when will you die? The shame of Jingkang is also known as the chaos of Jingkang, the difficulty of Jingkang, the disaster of Jingkang and the shame of Jingkang. It is a famous event in the history of China, which took place during the Jingkang period of the Northern Song Emperor Song Qinzong (A.D.1126 ~1127), hence its name. In April of the second year of Jingkang, Jin Jun attacked Tokyo (now Kaifeng, Henan Province). In addition to burning and looting, he also captured, father and son, and a large number of Zhao royal family, harem concubines, nobles, courtiers and so on.