In 1947 Thor Heyerdahl sailed a simple raft from Peru to Polynesia, following the ocean currents for more than 6,000 kilometers. Which statement accurately describes what Heyerdahl proved by this voyage? a. Ancient Peru was settled by people from Polynesia. b. People from ancient Peru were the first settlers of Polynesia. c. It would have been possible for people from ancient Peru to reach Polynesia by following ocean currents. d. Polynesia was settled accidentally when rafts from Peru were carried out by ocean currents.