i just did the test and the correct answer is 1,2,4,6
Answer:
Human habitation of Mumbai existed since the Stone Age, the Kolis and Aagri (a Marathi fishing community) were the earliest known settlers of the islands. The Maurya Empire gained control of the islands during the 3rd century BCE and transformed it into a centre of Buddhist culture and religion.
It connected four states in the west
I would say the internet since overtime, the internet is becoming used more than books and physically notes.