I'm not sure the answer but C was wrong on edgeunity
The following reasons are put forward for its abrupt end: The neighboring desert encroached on the fertile area and made it infertile. Regular floods destroyed the area. Aryan invaders killed people and destroyed the Indus Valley Civilization.
HOPE THIS HELPED!!
A. Both worked as servants for the upper classes.
The answer is................................Lucretia Mott
I'm late as always, sorry for being late.