Which of the following statements does not describe the caravan trade?
a. the caravan made use of domesticated camels to travel the hot and dry desert.
c. the caravan led merchants and their cattle to grazing areas in the middle of the desert.
b. the caravans led traders and their camels to water in the desert.
d. the caravan led worshipers to mecca during the hajj.

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