Steinbeck is revealing the true plight of the workers which at that time was not widely discussed or frankly, cared about.
I think he's also trying to tell the reader that we should do what will affect the greater good instead of just reaping the benefits yourself.
Hope this helps!
~LENA~
Answer:He was nervous
Explanation:He was nervous because Smaug, being a dragon, could easily kill him at any time
Has seen is the verb phrase
