Corroborating sources allows a historian to

Verify the information is accurate

Explanation:

Corroborating sources refers to a process in which a researcher finds secondary evidence that supports information that was already supported by some other evidence. Therefore, when a researcher wants to corroborate information, the reason is usually to verify that the information he has taken as true is in fact accurate. This increases the reliability of the information and makes it more likely for the research to be of quality.

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.