Answer:
d). the creation of new nations in eastern Europe and the middle east.
Step-by-step explanation:
As per the question, the consequence of 'The Treaty of Versailles' post-WWI was the 'formation of new nations in the Middle East and Eastern Europe.' It is characterized as an extremely significant peace treaty because it concluded the World War. This peace agreement allowed the new alliances and the nations like Yugoslavia, Austria, Czechoslovakia, Latvia, Finland, Estonia, etc. were formed on their independent lands and were allowed to have their own rule because the treaty removed the control over these nations from dominating nations. Thus, option d is the correct answer.