WORLD HISTORY

Detailed explanation-1: -The Roman road system made possible Roman conquest and administration and later provided highways for the great migrations into the empire and a means for the diffusion of Christianity.

Detailed explanation-2: -They provided efficient means for the overland movement of armies, officials, civilians, inland carriage of official communications, and trade goods. Roman roads were of several kinds, ranging from small local roads to broad, long-distance highways built to connect cities, major towns and military bases.