This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
While using manuscripts, the historians face many difficulties like, the manuscripts were written by the hands, where there were major differences between the two copies. There were also many changes occurred at the time of copy them. Because of this, the historians have to read the many versions of the manuscript to understand what actually had written.