WORLD CIVILIZATION

Detailed explanation-1: -The Persians were the first people to establish regular routes of communication between three continents-Africa, Asia and Europe.

Detailed explanation-2: -It spanned three continents, including parts of Afghanistan and Pakistan; parts of Central Asia, Asia Minor, Thrace; much of the Black Sea coastal regions; Iraq, northern Saudi Arabia, Jordan, Israel, Lebanon, Syria; and all significant population centers of ancient Egypt as far west as Libya.

Detailed explanation-3: -The Persian Empire, also known as the Achaemenid Empire, lasted from approximately 559 B.C.E. to 331 B.C.E. At its height, it encompassed the areas of modern-day Iran, Egypt, Turkey, and parts of Afghanistan and Pakistan.