Answer:
2, Indo -European
Explanation:
The Indo-European languages are spoken by about 3,5 billion people in the world, which is half of the world's population.
The Indo-European languages are spoken most in Europe and in areas of European settlements, they are also present in South Asia.
There are around 10 branches of the Indo-European language family: Anatolian, Indio Iranian, Greek, Italic, Germanic, Armenian, Tocharian, Celtic, Balto-Slavic and Albanian.
All the languages share a number of items of basic vocabulary as well as some common grammatical structures,
