Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor abruptly departs for Rome
S2E12
·
The Slave Traders
To
Doctor abandons companions for Rome
S2E12
·
The Slave Traders
Why These Connect
The narrative assertion
"Doctor dismisses checking the TARDIS and announces he will leave, leading to a spat and his announcement he will take Vicki."
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.