soc tranact 2



tking system


simple system

wastes less energy, survivable with less work and food

does not support trading



gvng system

generates energy and physical items




othr. systems


free system, prsn in chrge


theor. isss. only




the sign of transactions,

e.g. exchange by each person handing their item 

	to the other person, or by each person taking

	the other item.



not psnl. issues.