Answer:
1. tells readers important information the characters do not know
dramatic irony
2. hints at what is to come in the action of a story
foreshadowing
3. depicts events that occurred before the events are currently
flashback
4. unfolding in the story
develops the sequence of events in a story
plot
Explanation:
Sue to the annual flooding, Egyptians developed irrigation tools to control the waters of the rivers so they could produce crops year-round in order to trade their surplus.