bare political corruption

[kjc0123]

What is the meaning of "bare political corruption" in the following sentences?

In his sensational novel, The Jungle, Upton Sinclair exposed unsanitary conditions in the great Chicago meat packing houses and the grip of the beef trust on the nation's meat supply. Theodore Dreiser in The Financier and The Titan made it easy for laymen to understand the machinations of big business. Frank Norris' The Pit encouraged agrarian protest by revealing how secret manipulations affected the grain market in Chicago. Lincoln Steffens' The Shame of the Cities bared political corruption.

[Kingaroo]

In this context, "bared" means "revealed" or "exposed."

Each of the books made the public aware of problems:
The Jungle exposed unsanitary conditions...
The Financier exposed big business...
The Pit exposed the grain market...
The Shame of the Cities exposed corruption...