Enrique was once on a train that derailed. His car lurched so violently that he briefly thought of jumping off

Enrique was once on a train that derailed. His car lurched so violently that he briefly thought of jumping off to save himself. Enrique rarely lets himself admit fear, but he is scared that his car might tip. El Tren de La Muerte, some migrants call it. The Train of Death.
—Enrique’s Journey,
Sonia Nazario
Which narrative element does each phrase support? Choose from the drop-down menus.
“was once”
“rarely lets himself admit fear”
“The Train of Death”
What purpose does the author’s use of these phrases and techniques support?