HELP PLZ!!!! ASAP, HISTORY EXAM HELP NEEDED 30 pts to who ever answered with explanation!

1- which of the following is an accurate way that the Avedis would describe the Ariens

A- peace loving farmers
B-nomadic warriors
C-Priest and scholars
D-Siri dwelling Musicians

2-aryans introduce all the following to Indian society except

A-cast system
B-courses
C-herding
D-Hinduism