Question

Why was it difficult for primitive men and women to migrate to colder regions?

Answer 1

It was difficult for primitive men and women to migrate to a colder region because at that time they did not have proper materials to cover their bodies and to protect their body from cold surroundings.

:-)

Answer 2

ANSWER TO YOUR QUESTION IS--

It was difficult for primitive men and women to migrate to a colder region because at that time they did not have proper materials to cover their bodies and to protect their body from cold surroundings. They were not able to adapt in those conditions. They did not know about the woollens and other type of clothes which were necessary for them to live and survive in cold regions.