Final answer:
The transition from Early Urban Society to modern Exponential Society is the subject of this question, representing a significant development in human history.
Step-by-step explanation:
The subject of this question is History. The question is asking about a dramatic change that reached its highest point of development. Based on the provided references, this change can be related to the transition from Early Urban Society to modern Exponential Society. This transition can be seen as a significant development in human history.