Aryans introduced all of the following to Indian society except caste system
horses
herding
Hinduism

castle system

Explanation:

I just got it right on my test

could you use this to with a topic?

the key difference between a democracy and a republic lies in the limits placed on government by the law, which has implications for minority rights. both forms of government tend to use a representational system — i.e., citizens vote to elect politicians to represent their interests and form the government.