Agriculture! hope this helps!
Answer: Giuseppe Mazzini, (born June 22, 1805, Genoa [Italy]—died March 10, 1872, Pisa, Italy), Genome propagandist and revolutionary, founder of the secret revolutionary society Young Italy (1832), and a champion of the movement for Italian unity known as the Risorgimento. hope this helps
Explanation:
There was no technology at the time, making it harder to get messages across. So the transportation system was the way to go.
