What island did the dutch purchase from the native americans for about $24 worth of trade goods?

Which of the follow modern activities would only have been possible after the neolithic revolution

Who founded the social contract theory of the government

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?