What poetic style does "National Mourning" belong to?

The national monument belongs to the poetic prose style. According to relevant data, the author of the national mourning is still in dire straits, and his ancestral home is Laizhou, Shandong. Part of the poem is about the course of bloody battles, forging the backbone of national steel. China fought bravely for his reputation, built a monument of national spirit, lived with the earth, and wrote an immortal historical chapter.