Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Colonel neutralizes Chorley and approves explosive plan
S5E25
·
The Web of Fear Part 3
To
Sabotage exposed in the ops room
S5E25
·
The Web of Fear Part 3
Why These Connect
The narrative assertion
"The Doctor proposing to blow up the tunnel leads directly to the discovery of the sabotage efforts."
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.