Respuesta :
Secondary Sources: The primary sources can be of great help to the historian if he has acquire thorough knowledge of the background through the study of secondary sources, i.e. the works of the great and important historians of the proposed area and period of research.
I got this answer from historydisscusion.net
I got this answer from historydisscusion.net
because the secondary souce summarizes conclusions about primary sources....hope i helped :)
