Answer:
Because there probably to old.
I believe the answer is D. WWI was the first "total war," in which all of the people in all of the involved countries participated and were impacted.
Answer:
The major causes of World War II were numerous. They include the impact of the Treaty of Versailles following WWI, the worldwide economic depression, failure of appeasement, the rise of militarism in Germany and Japan, and the failure of the League of Nations.
Explanation: