Before their traditions were recorded in writing, how did the Aryans pass down their culture and sacred hymns?

Through spoken songs and stories

By carving pictures onto stone seals

Through detailed wall paintings

The arrival of the Aryans in northern India marked a shift away from the settled, urban culture of the Indus Valley toward what type of society?

A society centered on maritime trade and fishing

A society focused on creating a single, unified empire immediately

A society initially based on nomadic life and raising livestock

A society that rejected all forms of religious practice