Changes

*[[Currency]]

*[[Currency]]

The development of an object with constant value which everyone is willing to trade for their goods or services.  

The development of an object with constant value which everyone is willing to trade for their goods or services.  

*[[Accounting]] – [[Denise Schmandt-Besserat]] described the first uses of clay tokens and bullae for keeping track of income and expenses. <ref>http://www.utexas.edu/cola/centers/lrc/numerals/dsb/dsb1.html.</ref>

*[[Accounting]] – [[Denise Schmandt-Besserat]] described the first uses of clay tokens and bullae for keeping track of income and expenses.<ref>http://www.utexas.edu/cola/centers/lrc/numerals/dsb/dsb1.html.</ref>

*[[Banking]]  

*[[Banking]]  

*[[Corporation]]s

*[[Corporation]]s

===Warfare===  

===Warfare===  

*[[Hand-to-hand Weapons]] - Club, Axe, Spear, Knife, Sword, Pike

*[[Hand-to-hand Weapons]] - Club, Axe, Spear, Knife, Sword, Pike

*[[Chariot]] – First major technological advancement in warfare.  The horse plus chariot could reach speeds up to 20 mph.

*[[Chariot]] – First major technological advancement in warfare.  The horse plus chariot could reach speeds up to 20&nbsp;mph.

*[[Missile Weapons]] - Javelin, Atlatl, Bow & Arrow

*[[Missile Weapons]] - Javelin, Atlatl, Bow & Arrow

*[[Siege Engines]] - Catapult, Trebuchet

*[[Siege Engines]] - Catapult, Trebuchet

*[[Archimedes]]

*[[Archimedes]]

*[[Progress]]

*[[Progress]]

==External links==

==External links==