What is the creative background of the poem Xiuzi written by poet Lu You?

Throughout his life, Lu You breathed the breath of the times, shouted the battle slogan of the Northern Expedition against gold, and showed a high degree of patriotism. Xiuer, as a masterpiece of Lu You, was written in Jiading, Ningzong for three years (12 10), which is not only the poet's last wish, but also the last call for the war of resistance. At the age of eighty-five, Lu, you can't afford to get sick. Before he died, he left a poem "Xiuer", which expressed the poet's helplessness and expectation of regaining lost ground.

Lu You lived in an era when ethnic contradictions were extremely acute in the history of China. /kloc-At the beginning of the 20th century, the Nuzhen nationality in the northeast of China established the State of Jin. In the second year after Lu You was born, Jin occupied Bianjing (now Kaifeng City, Henan Province), the capital of the Northern Song Dynasty. In the third year, Hui Di and Emperor Qin were exiled, and the country perished in the Northern Song Dynasty. Zhao Gou, the younger brother of Qin Zong, fled to the south. When he established political power in Lin 'an (now Hangzhou, Zhejiang), he not only failed to recover lost ground, but appointed the notorious traitor Qin Gui as the prime minister, intending to kneel down and make peace with the Jin people. In the twelfth year of Shaoxing (1 142), the negotiation was successful. Zhao Gou was shameless, claiming to be a courtier, and promised to offer 252,000 silver and 250,000 silks every year to bid for the Huaihe River with the Jin people. From then on, the great rivers and mountains in the north became the territory of the Jin people, and the vast people in the north were enslaved by the Jin people, while the small court in the Southern Song Dynasty was just a corner of peace, surviving under the threat of the enemy. Later, the Longxing Peace Conference signed by Zhao Tuo and Kim and the Kathy Peace Conference signed by Ning and Kim were still humiliating peace talks. Of course, this situation is intolerable to the vast majority of Han people who have always opposed ethnic oppression. Therefore, in this historical era, I don't know how many outstanding sons and daughters of the Chinese nation have stepped forward and launched an indomitable struggle, and Lu You is an outstanding representative on the literary front.