Departure is a synonym of Start. Start is a synonym of Run. 
Affair is a synonym of Occasion. Occasion is a type of Cause. Cause is a synonym of Campaign. Campaign is related to Elect. 
Departure <--Synonym--> Start <--Synonym--> Run 
Affair <--Synonym--> Occasion --IsA--> Cause <--Synonym--> Campaign <--RelatedTo--> Elect 