Question

which region is characterized by challenging overland travel and proximity to the aegean and black seas? the iberian peninsula the scandinavian peninsula the balkan peninsula

Explanation:

The Iberian Peninsula is near the Atlantic and Mediterranean, the Scandinavian Peninsula is near the Arctic and North Seas. The Balkan Peninsula is near the Aegean and Black Seas, and has rugged terrain making overland travel challenging.

Answer:

the Balkan Peninsula