Which key details from "R.M.S. Titanic" best support the central idea that people believed the Titanic was unsinkable?

Select the two correct answers.

1) "Major Butt helps women into the last boats and waves goodbye to them."

2) "The water rises and the band plays ragtime."

3) “Stewards finish waking their passengers below; life preservers are tied on; some men smile at the precaution.”

4) "Boxhall fires the last rocket, then leaves in charge of boat No. 2."