The figure below depicts the evolution of the solar system.During which stage would the process of nuclear fusion begin? 
Definitions:
Statuses
Social positions or roles that individuals occupy within a community, society, or organization, influencing their relationships and interactions with others.
Ethnomethodologists
Researchers who study how people make sense of their everyday world, focusing on the methods and practices through which social order is produced.
Pre-existing
Existing before a specified time or event.
Shared Understandings
The common beliefs, values, or norms that are accepted and recognized within a group or society, facilitating communication and cooperative action.
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