Answer:
endanger themselves with a risky but agreed-upon plan
Explanation:
Groupthink refers to a social phenomenon that make people conform to a certain action just because they desire harmony/comformity within the group rather than because of logical reasons.
This often happen in an organization with strict implementation of hierarchy like the army. In the army, the decisions from Superiors are absolute. So, whenever the superiors told the subordinates to follow a bad strategy, most subordinates will keep their mouth shout most likely agree to it since they fear that other peers might view them as uncooperative or a coward.
Divergent boundaries is when new crust forms as the plates pull away from each other, and convergent boundaries is when crust is destroyed as one plate dives under another.
One of the reasons for The Great Migration was the racism which took form of aggression and even lynchings of the black population: around 3 000 people were lynchted in total during this time.
So people were escaping segregation and violence and searching for a better life in the North, were the racism was not as severe.
