Follow guarantee to remove Republican (5)

I believe the answer is:

ensue

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'follow' is the definition.
(ensue can mean to follow or happen as a result)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for ensue that I've seen before include "Befall" , "Occur as a result (of)" , "Turn out" , "Happen as consequence or afterward" , "Follow later" .)

I've seen this clue in The Independent and The Sun.

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