| A | B |
| Aryans | earliest Indian immigrants |
| Sanskrit | Aryan's language |
| Vedas | Aryan holy books that are written in Sanskrit |
| Hinduism | religion that worships three main gods: Brahma, Vishnu, and Shiva |
| reincarnation | when the soul lives on after death and returns to life in a new body |
| caste | a group within a social class |
| untouchables | the lowest group within the caste system. These people did all the unpleasant jobs in Indian society. |
| Buddhism | the religion based on the teachings of Siddhartha Gautama. |
| rajas | princes |
| assassination | murder for a political reason |
| turning point | time of important change |
| missionaries | religious teachers |
| Arabic numerals | the base-ten number system 1-9 and 0 used in India |
| inoculation | giving a person a mild form of a disease so that he or she would not get sick with a more serious form |
| plateau | a high, flat area of land |
| cavalry | soldiers who rode horses and camels |
| tribute | yearly payments |
| couriers | riders on the pony-express system |
| prophet | a person who others believe speaks or writes with a divine message |
| Zoroatrianism | a religion which taught a belief in two gods and that believed that earth was a battleground, a struggle between forces of light and dark. |