Final answer:
The shaper of development being referred to is historical events, which include significant occurrences like the Great Depression, the Women's movement, 9/11, World War II, and the rise of the internet.
Step-by-step explanation:
The shaper of development being described in the question is historical events. These are significant occurrences that have substantially shaped how societies develop over time. Examples such as the Great Depression, the Women's movement, the terrorist attacks of 9/11, World War II, and the rise of the internet have all played pivotal roles in influencing global economies, social structures, political landscapes, and technological advancements. Events like these can have a profound and lasting impact on entire generations and the course of history.