Final answer:
Wang Mang takes over the Han empire during the Han dynasty in China.
Step-by-step explanation:
During the Han dynasty in China, several individuals took over the Han empire at different periods. The correct answer to your question is Wang Mang. Wang Mang, who ruled from AD 9 to 23, declared a 'New' (Xin) regime and took control of the Han empire. However, his reign was not successful.