Foreign is related to Country. Country is related to Development. Development is a synonym of Developing. Developing is related to Civilization. 
Element is a synonym of Entry. Entry is a synonym of Introduction. Introduction is a type of Textbook. 
Foreign <--RelatedTo--> Country <--RelatedTo--> Development <--Synonym--> Developing <--RelatedTo--> Civilization 
Element <--Synonym--> Entry <--Synonym--> Introduction --IsA--> Textbook 