Answer:
This is because Whitman doesn't consider these people as part of the working class. They have not toiled in the dirt or in the rank sweat of a factory. Politicians and rich men do not know what physical toil is nor are they relegated to survival for much of their life.
proof of something a logical judgment close examination an in-depth investigation
proof of something
Option A.
<u>Explanation:</u>
In the sentence that has been given in the following question, the word evidence means the proof of something which is used to prove something in the case study.
Evidences are used to prove a particular point of view and give direction towards the results of the case study. Thus evidences are proof of something.
