Time Travel: the King Just Ascended the Throne, and the Prince Rebelled?

Zhu Xingchen traveled to the Kyushu Kingdom on the Nanyang Island in the Indian Ocean and proclaimed himself emperor. Just after he ascended the throne, he encountered a rebellion by the prince, and the Kingdom of Delia, the sworn enemy of Kyushu Kingdom on the island, launched a war to destroy the country. Zhu Xingchen activated the god-level territory sign-in system, wiped out the Kyushu rebels in a short time, eliminated the Kingdom of Delia and unified Nanyang Island. Taking advantage of the outbreak of war in Western countries, we will strive to develop people's livelihood, economy, infrastructure, education, industry, and population, and build Kyushu into the most powerful country in the world so that the people can live and work in peace and contentment. At the same time, while Western countries are mired in war, they are frantically plundering resources around the world. Africa, Tianzhucheng, Southeast Asia, and Kangaroo Island became vassal states, allowing Xiao Heizi and Asan to mine and farm. Mining in Sakura Island! Countries took the initiative to send princesses to Zhu Xingchen as concubines! Allied Powers: Kyushu stabbed us in the back! Allies: Zhu Xingchen is a devil, he cheats us! When both sides woke up, Zhu Xingchen led the Jiuzhou Kingdom to stand on top of the world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.