Unfortunately, you didn't share any following reasons so that someony could choose the correct one, but I am pretty sure that I can help you and name the main factor. Definitely, the point which caused a decrease in the size of the armed forces at the end of the cold war is that the US promised to decrease its armed forces as part of the peacetime agreement. I bet it will help you!
It's still the liberty head nickel
Answer:
No
Explanation:
For definition of world war will say fighting on every continent exception of Australia and Antarctica. First there is North and South America which haven't had major war fought on them for over century. Europe is generally united under German sphere. Africa would never be somewhere world war start due to lack of major foreign allies. Russia is backwater, and economy is in shambles after Crimean occupation. China is prosperous and expanding sphere through peaceful investment, in good time Chinese economy shall sore past United States economy.