D. were similar in a few ways and different in the other
I believe the correct term to fill in the blank would be rumination. Trey is engaging in a practice of rumination. It is a deep or focused thinking of one that has undergone distress. It is analogous with depression and anxiety. When one is ruminating, he keeps thinking of a certain thought repetitively without thinking of any solutions to that problem.
The Three Long term results that occurred due to the Treaty of Versailles would be following:
A) It imposed reparations on Germany and reduced both its land and population.
B) It placed limits on the German military meant to reduce the possibility of further German aggression.
C) It left Germany with sufficient political unity and economic vitality to enable its conquests during the Second World War.
