The union of south american nations (unsur) is considered all of the following except (5 points)
a supranational organization
an intergovernmental union
a single-currency union
a regional alliance

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.

agriculture revolution