throug hrough action etween positi public person system evelop change uction effect genera⏎
system throug change direct effect genera lation sition ection ecause evelop bility develo⏎
resent iffere tional develo follow icatio ession relati sition presen ection merica evelop⏎
public americ bility relati presen iffere before follow uction system struct cation differ⏎