(A) 5 years
(B) 10 years
(C) ** 15 years
(D) 20 years
EXPLANATIONS BELOW
Concept note-1: -As a compensation Germany was to allow France to exploit its Saar Coal Fields for the next 15 years. Germany was to supply coal to Italy, France, and Belgium for the next 10 years.
Concept note-2: -The Treaty of Versailles, 1919 28 June 1919.
Concept note-3: -The Treaty of Versailles was signed by Germany and the Allied Nations on June 28, 1919, formally ending World War One. The terms of the treaty required that Germany pay financial reparations, disarm, lose territory, and give up all of its overseas colonies.