I believe the term you are looking for is called an agora.
From 1922-1991, Russia would have been considered a autocratic state.
Answer:
in order for something to become a fossil it has to not decompose or be eaten
Explanation:
Like, where 4 canyons are located at? Alright then...
Grand Canyon - Arizona
Palo Duro Canyon - Texas
Bryce Canyon - Utah
Three Gorges - China
