Undivided and not in quarreling states as they were when the Great Schism occurred.
In 1969 protesters for American Indian independence occupied the island "Alcatraz" of the coast of San Fransisco. They did this mainly to bring attention to the unfair treatment of Natives by the US government.
Mountains isolated the city-states Athens and Sparta. Those city states had different cultures and they were at war.
Hope this helps.
The country that refused was France