The ships were built well but they cramp packed the slaves in the hull of the ship so if one person was sick the rest did too
They allowed investors to take fewer risk.
Definitely: social organization of clans and tribes and moved around a lot. Might be livestock was only surplus if you mean that livestock was kept from season to season.
C) a unified European currency did not come about until the creation of the Euro -- instituted as an "invisible" currency in 1999 for trading but not available for common use (i.e., as a physical currency) until 2002.
