When a historian uses the skill of corroboration, he or she: a. creates a proper citation to acknowledge the sources importance. b. criticizes a source for being biased toward one point of view. c. confirms information from one source using several other sources. d. determines whether a source should be considered primary or secondary

The answer should be C.

Explanation:

The definition of corroboration is "evidence which confirms or supports a statement, theory, or finding; confirmation." Knowing this, the most likely answer is C.

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.

the main reason the us senate rejected the treaty of versailles was because "european nations wanted to punish germany"

d(:

me and mark as brainliest.