What were the vedas? also describe the rig veda, the sama veda and the atharva veda.

The Vedas were a body of religious texts coming from ancient India and written in Vedic Sanskrit.

Explanation: The Vedas were a group of religious texts composed in an Indo-European language known as Vedic Sanskrit. Moreover, this body of texts got his name from the Sanskrit word véda, which means "knowledge", and it is made up of four vedas: the Rig Veda, the Sama Veda, the Atharva Veda and Yajur Veda. The Rig Veda consists in 1,028 hymns that are organized into ten books known as mandalas. These books differ in length. On the other hand, the Sama Veda is made up of 1,549 verses and it is known as the Veda of melodies and chants. Furthermore, the Atharva Veda includes 730 hymns which are organized into 20 books. Moreover, it is known as "the Veda of magical formulas". Both the Sama Veda and the Atharva Veda take verses from the Rig Veda.

b) brahmans   is nomadic society

the process is called revolution because it was a process of great economic-social transformations that began in england in the xviii century.

the industrial mode of production spread throughout much of the northern hemisphere throughout the xix and early xx centuries.

the effect of this revolution was the distance between the countries, with respect to economic and political power.   after all, not all industrialized at the same time, remaining in the condition of suppliers of raw materials and agricultural products to the industrialized countries.

these differences mark to this day the nations of the world that are divided between developed and developing countries. one way to measure whether a country is advanced is to assess how industrialized it is.