Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Sarah leaves the Doctor at Hillview Road
S14E8
·
The Hand of Fear Part 4
To
Sarah chooses to leave the Doctor
S14E8
·
The Hand of Fear Part 4
Why These Connect
The narrative assertion
"The Doctor's mental 'call from Gallifrey' directly causes his explanation to Sarah that he must return home without her, a pivotal and emotional moment in their farewell."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot—remove one and the story structure collapses.