Six U.S. symbols are depicted in this primary source set: the Liberty Bell, the U.S. flag, the bald eagle, the national. anthem, Uncle Sam, and the Statue of Liberty. Historical Background.
Vouching is a technical term, which refers to the inspection of documentary evidence supporting and substantiating a transaction, by an auditor. It is the essence of Auditing.
vouch. 1  to support as being true, certain, reliable, etc. (usually followed by for): Her record in office vouches for her integrity. 2  to attest; guarantee; certify (usually followed by for): to vouch for someone in a business transaction. 3  to sustain or uphold by, or as if by, practical proof or demonstration.