It established communication throughout the Persian Empire
Explanation:
The Royal Road was an antiquated interstate rearranged and reconstructed by the Persian lord Darius the Great (Darius I) of the first (Achaemenid) Persian Empire in the fifth century BCE. Darius fabricated the street to encourage fast correspondence all through his enormous domain from Susa to Sardis.
Royal road established communication throughout the Persian Empire.
In his 1963 "I Have a Dream" speech after the March on Washington, MLK expressed his desires to see a society in which his children would be judged on the content of their character rather than the color of their skin.