Answer: Because they want to get to be able to have a bright future.
Explanation:
Thomas Jefferson I believd
The Aryans brought Islam to the region of South Asia. The Aryans developed the Mughal Empire. The Aryans established the caste system and helped develop Hinduism.
Many people wanted to go war.
I'd see it as though they were waiting for the Nile River to flood, since that's pretty much the main river of Egypt, I believe.