We knew president roosevelt would pass through
michigan during his campaign, but we never expected him
to stop at little old goldwater. he even shook my hand right
there on the train platform and gave a speech about how
his new deal will folks find jobs.
-martha jackson, diary (1936)
why is corroboration the best way to confirm the credibility of this source?
o
a. because it is far removed from the subject matter
b. because it is a secondary source
o
c. because it is a primary source
d. because the author shows bias

(B) Because it is just a secondary source.

Explanation:

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.