Why was the nile river important to ancient egyptian civilization?

The ancient greek city-state of sparta was run as an oligarchy , meaning

Which of these were among you the purpose of the photorealism movement

If the ussrs economy has remained agricultural-based rather than industrial, then a. the unemployment rate among men would have been much lower b. women would have been less in demand in the workforce c. crop productivity would have led to larger , better nourished populations d. children would not have had to leave school early to work in factories