Question

How are manuscripts useful in constructing history?

Answer 1

because it contain written records of things happened in history

Answer 2

Manuscripts play a key role in making people learn about history.

It tells what had happened in the past and what were some of the most remarkable moments of history.

Additionally, in the earlier period there were no emails or phones or websites where the information could be stored, here manuscripts played a key role in storing all the information in the written format.