Their primary job is A.to make laws
Canals were built to increase the production of steam ships
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.
<span>the best i could say is that he made a firm code of laws</span>