Let is related to Reverse. Reverse is related to Divide. 
Federal is related to Deliver. Deliver is related to Driver. Driver is a synonym of Leader. Leader is related to Politician. 
Let <--RelatedTo--> Reverse <--RelatedTo--> Divide 
Federal <--RelatedTo--> Deliver <--RelatedTo--> Driver <--Synonym--> Leader <--RelatedTo--> Politician 