How did the First Battle of Bull Run affect how the North viewed the Civil War?
a) The Union victory helped the North realize it would be a short war.
b) The Union victory helped the North realize it would be a long war.
c) The Union loss made the North realize it would be an easy victory.
d) The Union loss made the North realize it would not be an easy victory

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?