(This word became popular during the Bill Clinton affairs)

The rhetorical device less used in "The Man with the Muckrake" is humor or irony. The speech primarily relies on biblical allusions and metaphors to convey its message about the dangers of focusing solely on material wealth and neglecting moral values.

To muckrake, a verb, means "to search for and expose real or alleged corruption, scandal, especially in politics"

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern M--K-A--. That is, eight letter words with 1st letter M and 4th letter K and 6th letter A. In alphabetical order, they are:

milkmaid

mocktail

mooktars

muckrake

muskrats

Sinclair visited slaughterhouses, literally wading through muck (and blood and guts and filth) then he wrote about it compellingly so that the public became aware of what went into making their hot dogs and bologna. As a result Americans demanded changes in the regulations for the meat industry.