The 1st one i think, but i don't know. sorry
Spartans had a Diarchy, Monarchy, and a Republic.
I think the most significant cause of World War one was the assassination of the Archduke Franz Ferdinand. The other causes of the war was Imperliasm, Militarism, Nationalism and Alliances that were formed.
Explanation:
some of the main regions are-
Caucasus
Ural
Siberia
Northern Europe
Far Eastern Federal District
President Eisenhower's threat to use atomic weapons probably deterred all of the following except "<span>a. the Vietnamese ousting their" government, since this threat was only meant to be made in the context of the Cold War. </span>