What comes to mind is salvation although I can't be sure, it makes the most sense.
Answer: interacts with people, dresses themselves, brushes teeth, and works
Explanation:
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!