We will begin with Homo-habilis because habilis is the one that we believe was the first of the "great Ape" type creatures to have evolved to the point where he could be called "Homo" (MAN). I'm really not sure about "homo erectus" as I don't really believe there's much evidence of anything.
He was 69 years and 11 months old.
What trails were used
issues that came with the expansion
why the expansion happened
when ^
How we made the expansion easier on ourselvs
Something that accurately describes arab empires government is unwanted convertion