The "lliad" and the "odyssey" are important sources of information about a. actual events occurring during the trojan war
b. daily life in mycenaean greece
c. the lives of many historical figures of ancient greece
d> the values and customs of the greeks who lived when the epics were composed

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.