Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Romana stops Sharrel from detonating device
S17E4
·
Destiny of the Daleks Part 4
To
Doctor triggers Davros to detonate suicide Daleks
S17E4
·
Destiny of the Daleks Part 4
Why These Connect
The narrative assertion
"Romana's disarming of Sharrel (preventing premature detonation of the Nova device) sets up Davros's accidental triggering of the suicide Daleks' explosives, allowing the Doctor to outmaneuver Davros and save the Movellan ship."
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.