Egyptian civilization was centered along the . agriculture flourished, because the river each june, leaving behind , which had the nutrients needed for plants to grow bigger and stronger. egypt's main crops were papyrus, used to make , and barley, used to make .

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countires in an effort to build a stronger team. after learning this, the secondteam begins its own recruitment campaign to find better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rivals most recent addition. which idea from the cold war is most similar to this scenario