Answer:
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.
the answer is primary i am pretty sure hope this helps
B ) Historical understanding is built on ancient materials .
The Tammany Society emerged as the center for Democratic-Republican Party politics in the city in the early 19th century. After 1854, the Society expanded its political control even further by earning the loyalty of the city's rapidly expanding immigrant community, which functioned as its base of political capital.
It would be a two days walk