Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor entrusts Romana with the mission
S16E1
·
The Ribos Operation Part 1
To
Garron pressures Graff to dismiss his guards
S16E1
·
The Ribos Operation Part 1
Why These Connect
The narrative assertion
"The Doctor and Romana entering the city after materializing the TARDIS leads directly to them encountering a local trap, testing Romana's practical intelligence and establishing the planet's dangers."
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.