Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor overrides Romana on navigation control
S16E21
·
The Armageddon Factor Part 1
To
Doctor confronts Atrios nuclear devastation
S16E21
·
The Armageddon Factor Part 1
Why These Connect
The narrative assertion
"Romana's detection of a small red planet on the scanner—initially misidentifying their location along with the Doctor—leads to their realization of high radiation levels, confirming the nuclear war and driving the Doctor's suspicion of the Black Guardian and the Key to Time."
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.