Why did indian rulers tried to bring ports under their control

i it was president george

for asking the question!

question: :

what was one of the primary results of civilisations settling in river valleys?

(a) the people learned to control flooding.

(b)the culture created a writing system.

(c)the fertile land supported a food surplus.

(d)the rulers adopted a system of divine .

answer: :

(c)the fertile land supported a food surplus is the correct answer.

as its a common that where there is a fertile land people will reach there to complete their needs like food was the reason that after many other civilisations arose there and so as , civilisations.

hope it !