How are both of these central ideas developed in " R.M.S. Titanic"?

Overconfidence can lead to failure.

No ship is unsinkable.


The text begins by explaining the lack of fanfare regarding the Titanic and later shows that this treatment was correct when the Titanic sinks.

The text begins by describing the Titanic, made of 46 thousand tons of steel, as the safest ship of all time and later reveals design flaws that led to the disaster.

The text begins by discussing the speed with which the Titanic was built, taking three slow years, and later reveals errors in construction.

The text begins by recounting the belief that the Titanic was virtually indestructable and later reveals the failings that led to the Titanic disaster.