Im for sure rivers and mountains.
Answer:
Direct democracy works best with small populations.
I am pretty sure it was Japan.
Hope this helps
please give me brailiest
Japan has many mountains, thus, the outsiders could not easily enter Japan and Japanese could not leave the country. And, thus the self-isolation was helped by the presence of a mountain terrain. This policy was implemented by Togukawa, who insisted on preventing Japan from foreigners.
