This sentence focuses on the flourishing of ancestors as a result of learning and tool development, while the other sentences primarily discuss the early struggles, limitations, and survival challenges faced by our ancestors.

Ancestors are introduced in 4th statement. 4th will come before 3rd

Thankyou very much for the response, its clear now.

Thankyou very much for the response, its clear now.

I don't understand the solution of it. We weren't always like this.  This is not an appropriate way to start the rearranging question. We weren't always like this , always like what ? Rearranging always starts with and independent statements like " The more our Ancestors learned about how ...." rather than we weren't always like this.  The exception to this case is only Poetic license which is definitely not the case here. Kindly do respond to the query thankyou.

I don't understand the solution of it. We weren't always like this.  This is not an appropriate way to start the rearranging question. We weren't always like this , always like what ? Rearranging always starts with and independent statements like " The more our Ancestors learned about how ...." rather than we weren't always like this.  The exception to this case is only Poetic license which is definitely not the case here. Kindly do respond to the query thankyou.