In the following question, out of the following alternatives, select the alternative which is the best substitute of the phrase.
To change a law in order to improve it
The act of changing a law in order to improve it is called 'amend'. Therefore we hear this a lot in context to our constitution.
Recommend => put forward (someone or something) with approval as being suitable for a particular purpose or role.$
Emend => make corrections and revisions to (a text)$
Mend => repair something that is broken or damaged$