Explain how ambrose bierce's use of foreshadowing or flashback influences "an occurrence at owl creek bridge" in three to five sentences.

A flashback, is a way of portraying events in the past to understand the current event that is connected to the present, that a could support in figuring the conclusion and answer to the problem of an event. I think the author use it as said in the definition. I hope this would help 

Homologous chromosomes