Answer:
I think the answer is C! I may be wrong but the rest don't seem accurate to the history. Good luck!
The Economic Cycle.
An economy when graphed will essentially look like a wave. It may not be perfect, as there will be different size expansions and contractions/recessions.
Expansions is when the market is doing well or correcting from a recession. The Peak is the highest point that specific economic period can achieve. From there, the market will enter a Recession or Contraction where it goes down. It’s Trough is the lowest point that the contraction will reach.
The GI Bill<span> provides educational assistance to servicemembers, veterans, and their dependents. So, it is the only answer that makes sense out of the four of them.</span>
The rise of reform movements aimed at improving urban life
The World war 1 has been documented as, World War, WWI, the War to End All Wars, and the Great War.