Which statement about bias in social studies sources is true? a. bias is most often found in primary sources. b. bias is most often found in secondary sources. c. most social studies sources are unbiased. d. most social studies sources contain some bias.

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