Final answer:
The culture and people who settled the Peloponnesus are known as the Mycenaeans.
Step-by-step explanation:
The culture and people who settled the Peloponnesus are known as the Mycenaeans. They were a proto-Greek civilization that developed on the Greek mainland and the Aegean Islands. The Mycenaeans were known for their war-like culture and were involved in conflicts with each other and neighboring peoples, as well as engaging in trade.