Answer:
I could be wrong but I am pretty sure the answer is Oil.
Explanation:
After America cut off oil from Japan, due to expansion reasons I believe, Japan got really upset and Pearl Harbor happened if I remember correctly! Hope this helped!! :)
What i dont get it ....................
<span>Louisville, Kentucky is the answer you seek</span>
When the aryans migrated to India the concept the brought was The Caste System