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

D. Confirms information from one source you see several other sources

Explanation:

Corroboration is the action of double checking information from one source, and searching for different sources, this is done in several social sciences, like history, sociology, anthroplogy, and in journalism, to chech te veracity of information that we have from a source.

i believe its the indians

the punishment for breaking the law would depend on the conditions or the seriousness of the law being broken, if he or she breaks the law while doing some great discovery or invention then it would classify as a scientific fraud. there are other words to describe the crime but scientific fraud would be the harshest one.