Which epoch is associated with the rise of human civilization?

On which continent were the fossils of prehistoric humans first discovered?

Assertion: The earliest fossil form in the phylogeny of horse is $Eohippus$.
Reason: $Eohippus$ lived during the early $Pliocene$ epoch.

The evolution of man was made possible primarily because our ape-like ancestors possessed:

The first human ancestor whose fossils were discovered is:

The brain capacity of $Homo \, erectus$ was about (in $, cc$)