What was at first known as the "Great War" soon became known as World War 1. Which sentence from the text explains the event that caused the name to be changed from the "Great War" to WWI?
A. America's involvement in World War II was just around the comer.
B. In January 1919, the Allied leaders met in Versailles, France, to write a peace treaty
C. More than 26,000 doughboys lost their lives in this battle, and almost 96,000 were wounded
D. The U. S. entered the war on April 6, 1917