Final answer:
Jan Hus believed that the Catholic Church needed reform and criticized the corrupt practices of the clergy.
Step-by-step explanation:
Jan Hus believed that the Catholic Church needed reform. He criticized the corrupt practices of the clergy, such as selling indulgences and acquiring wealth. Hus argued for a return to the teachings of the Bible and advocated for the clergy to live a simple and moral life.
Learn more about Jan Hus's belief about the Catholic Church