Which factor MOST affects the nomination of presidential candidates? A. establishment of third parties B. conducting public opinion polls C. creation of an electoral college system D. spending on campaign advertisements

(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.

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

where is the picture of the graph or table?

answer; a farmer who refuses to fight in his country's army;