Why did the first inhabitants of mainland Southeast Asia settle in the plains and river valleys?(1 point)

Question

Responses

Those areas were easy to defend.
Those areas were easy to defend.

Those areas were best for trade.
Those areas were best for trade.

Those areas were close to towns.
Those areas were close to towns.

Those areas were good for farming.
Those areas were good for farming.

Answer 1

Those areas were good for farming.