What is the main difference between “the purple cow” and frost’s poem "mending wall"?

The main difference between “The Purple Cow” and Frost’s poem "Mending Wall" is the use of rhyming in “The Purple Cow”. The former uses rhyming in alternative lines, while the latter does not use any form of rhyming at all. 

some people are just against it im not sure but i think everyone deserves to be treated equally i think people have a problem with it because its different and not like everything else i hope this !

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