Cloud Kicks is Introducing a new shoe model and wants to advertise on TV, radio, print, and social under the banner of a called New Runners. In addition, total statistics for this marketing effort…

A junction object creates a many-to-many relationship between two independent objects, which is not the primary mechanism for aggregating statistics from child records to a parent in a hierarchical campaign structure.

The Parent Campaign field uses a self-referencing lookup relationship, which provides hierarchy but does not inherently offer automatic aggregation of statistics like rollup summary fields available with Master-Detail relationships.

A lookup relationship links two objects but does not enforce referential integrity or provide native rollup summary capabilities for aggregating data, which is a key requirement here.

A Master-Detail relationship establishes a strong parental link where detail records are related to a master record, allowing for the creation of rollup summary fields on the master record to aggregate data (like statistics) from the detail records.