Why are secondary sources important to the study of history?
a) these sources include bones and weapons
b) these sources provide information written by other authors
c) museums usually contain the majority of these sources

B) These sources provide information written by other authors.

Explanation:

Secondary sources in history are those that recount the events that happened but the author did not experience from first hand in there. They are opposed to primary sources which are sources of information from the historical event (Option C).

Secondary sources are interpretations of primary sources by someone else than you. They are important because they have removed the subjectiveness than primary sources could contain.

I hope this answer helps you.

result of the incas claiming exclusive right over numerous traditional routes, some of which had been constructed centuries earlier mostly by the wari empire

c. is the western hemisphere.