Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor splits team in the tunnels
S5E23
·
The Web of Fear Part 1
To
Arnold reveals tunnel demolition threat
S5E23
·
The Web of Fear Part 1
Why These Connect
The narrative assertion
"The Doctor splitting up from Jamie and Victoria leads Jamie and Victoria to get captured, and eventually interrogated by Arnold."
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.