Place is related to Go. Go is a synonym of Attempt. Struggle is a type of Attempt. Struggle is a synonym of Contend. 
Radiation is a type of Spread. Spread is related to Preserve. Preserve is related to Wildlife. 
Place <--RelatedTo--> Go <--Synonym--> Attempt <--IsA-- Struggle <--Synonym--> Contend 
Radiation --IsA--> Spread <--RelatedTo--> Preserve <--RelatedTo--> Wildlife 