Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor abandons mission for survival chance
S12E16
·
Genesis of the Daleks Part 6
To
Doctor chooses self-sacrifice over companions
S12E16
·
Genesis of the Daleks Part 6
Why These Connect
The narrative assertion
"Sevrin's warning about the Thal explosives (Act 2) leads the Doctor to give Sarah the Time Ring and send her and Harry to the main entrance for escape, trusting her to survive without him."
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.