From which Veda we form an idea of the Early Vedic Civilisation?

React the following excerpt and answer the question that follows:

"The Upanishads contain two basic principles of Indian philosophy viz., karma and the transmigration of soul, i.e., rebirth based on past deeds."

(Source:https://www.nios.ac.in/media/documents/SrSec315NEW/315HistoryEng/315HistoryEng_Lesson4.pdf)

• What is the importance of the Upanishads?

Read the lines given below and answer the question that follows:

Drive away all disease and the Rakshasas-- Send down abundance of waters. From the ocean of the sky.

• Which god is likely being addressed in this hymn?

What were the primary professions of the Aryans?