In my opinion it’s not excusable.
Explanation:
Development occurs in many types depends upon how u want it to develop and how you helping in it to develop it more easily. As per the psychologists (Developmental psychologists), the development of an individual or child occurs in a orderly or sequential way and in different areas simultaneously.
The answer to this question is, The Marshall Plan. This plan is in which the US gave the European nations 13 Billion dollars so they could rebuild what was lost after the war. I hope this helps you.