Question

Why do historians divide history into periods ? did they find any difficulty?

Answer 1

Answer:

the history was divided into periods so that deep information about a particular period is gained. ..it would be easier to find the informations related to that topic. ....

Answer 2

$\sf \pmb{Answer :}$

Answer:

the history was divided into periods so that deep information about a particular period is gained. ..it would be easier to find the informations related to that topic. ....