How were Prince Henry and Zheng He similar?

Prince Henry of Portugal and Zheng He, the Chinese admiral, were both influential figures in the Age of Exploration, leading efforts to expand their countries' maritime capabilities. Prince Henry, known as "Henry the Navigator," sponsored voyages along the African coast to explore new trade routes and spread Christianity, while Zheng He commanded treasure fleets across the Indian ocean to establish Chinese influence and trade networks. Both figures aimed to enhance their nations' power and prestige through exploration and maritime endeavors. Their expeditions also facilitated cultural exchanges between different civilizations.