Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor deduces Cybermen’s tunneling entry
S4E26
·
The Moonbase Part 4
To
Cybermen demand entry, communications collapse
S4E26
·
The Moonbase Part 4
Why These Connect
The narrative assertion
"Hobson's initial observation of the Cybermen's entry leads directly to the Cybermen's demand for entry, establishing the immediate conflict and escalating the tension."
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.