Traveling through the emperor, overthrowing the empress dowager at the beginning

Ye Kuang accidentally traveled through time and space to become an emperor, but the empress dowager interfered in the court, powerful ministers were in power, and the surrounding ethnic groups were eyeing him covetously. The Han people's country was in danger, and the emperor had been regarded as a retard since he was a child. Ye Kuang was furious, so he controlled the empress dowager, eliminated the powerful ministers, restored the Han people's country, and established a foundation for eternity. Even more beauties from all over the world threw themselves into his arms and took him into his harem! Then he started the Industrial Revolution and the Age of Navigation. Wherever the sun and the moon shine, it is the territory of the Han people. Anyone who disobeys will be exterminated! ...