Traveling Through the Late Qing Dynasty with Modern Weapons

[Traveling through ancient and modern times + decisive killing + single female protagonist + no stallion + developing technology + farming] By chance, Li Haiyang, who lived a miserable life, had the ability to travel between modern times and the Qing Dynasty. Taking this opportunity, he began a journey through time and space with goods ranging from basic necessities, food, housing, and transportation to aircraft and warships! Welcome all comers! Empress Dowager Cixi? A coalition of countries? Come on horseback! Let you see what modern technology is! The shopping mall is carefully laid out, and the battlefield is shocking! In the end, I suddenly discovered that it was much easier to get into the capital than to get into the capital! What concessions from various countries! Take them all back! All the fleets of the great powers were annihilated! Why do you ask me? It relies on an invincible fleet that spans the four seas!