Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Silurian ambush escalates into hostage crisis
S7E11
·
Doctor Who and The Silurians Part 7
To
Brigadier trapped as Silurians strike
S7E11
·
Doctor Who and The Silurians Part 7
Why These Connect
The narrative assertion
"The Brigadier discovering the communication lines are down and the lift is non-functional directly leads to the Doctor reappearing accompanied by Silurians, demonstrating the direct impact of the communication failure on the facility's security and the Silurians' infiltration."
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.