Summary about Hot Coco heart

The author attributes papa's unforgivable behavior to which of the following? a. the painful memories connected with his 9-month ordeal in south dakota b. papa's increasing addiction to alcohol c. papa's unfulfilled need to be in charge of something and/or someone d. mama's emotional distance from papa

Answer 3 and 5 for brainliest. i don’t have a link for #3 sadly.

Identify how chekhov’s background and beliefs may have influenced his short story “the bet”.