The Kurgans, identified as the first Proto-Indo-European speakers by archaeologist Marija Gimbutas were a Germanic tribe that invaded England. were herders from the steppes of today's Russia and Kazakhstan. were the earliest speakers of Sino-Caucasian, which they diffused through conquest. conquered much of East Asia several thousand years ago. preserved Basque in present-day Spain.

were herders from the steppes of today's Russia and Kazakhstan.

Explanation:

There exists a theory that states that the Kurgan people were the origin of the Proto-Indo-European group of languages. These people were simply nomadic herders who came from the steppes of what is now Russia and Kazakhstan.

Upon getting to Europe and South Asia, they conquered much of the land and infused their language into local languages when they took over thereby leading to the formation of various but similar languages that we today call the Indo-European group of languages.

b) brahmans   is nomadic society