Transition is a type of Passage. Passage is related to Tunnel. 
Rush is related to Order. Country can be used for Order. Country is related to Economy. Economics is etymologically related to Economy. 
Transition --IsA--> Passage <--RelatedTo--> Tunnel 
Rush <--RelatedTo--> Order <--UsedFor-- Country <--RelatedTo--> Economy <--EtymologicallyRelatedTo-- Economics 