Who plays the most important role in the underground railroad system?

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

In the period from 1860 to 1890, which experience was shared by most native americans living in western states?

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?