Final answer:
The Han Dynasty conquered the Mahan, Jinhan, and Byeonhan groups of people in the Korean Peninsula.
Step-by-step explanation:
The Han Dynasty conquered several different groups of people during their reign. One of the groups they conquered was the Mahan, who were located in the southwest of the Korean Peninsula. Another group was the Jinhan, who were in the southeast of the peninsula.
Additionally, the Han Dynasty conquered a group known as the Byeonhan, who were located between the Mahan and Jinhan. These societies were ruled by aristocratic families, who controlled the lives of lower-ranking commoners, servants, and enslaved people.