GENERAL KNOWLEDGE

Detailed explanation-1: -During World War I Germany was defeated in the Battle of Verdun on the western front and Romania declared war on the eastern front in the year 1916 AD.

Detailed explanation-2: -The final reason for Germany’s failure in World War I was its decision to carry out submarine attack against merchant ships in the Atlantic Ocean during the war. Germany launched many U-boats (submarines) during World War I and used them to try to force Britain from the war.

Detailed explanation-3: -The Treaty of Versailles, which officially ended World War I, was signed on June 28, 1919. The main authors of the treaty were the leaders of France, England, Italy and the United States.

Detailed explanation-4: -The war pitted the Central Powers-mainly Germany, Austria-Hungary, and Turkey-against the Allies-mainly France, Great Britain, Russia, Italy, Japan, and, from 1917, the United States. It ended with the defeat of the Central Powers.