Question

how can we know about the life of the early peop​

Answer 1

Early humans lived in jungle and were afraid of bigger and stronger wild animals. Earlier they had no house to live in and they spend their time on the trees or hide themselves behind the bushes. But it could provide them security from wild animals, rain, winter and sun heat. So, they started living in caves.

Answer 2

$\large\fbox\blue{H}\large\fbox\red{E}\fbox\green{L}\fbox\pink{L}\fbox\purple{O}$