Now, use the position statement you used earlier
and the ideas you gathered, and write an editorial
that is one paragraph in length. include your
position statement and supporting ideas,
when you are done, proofread your work and
correct any errors.

answer:

its easy

explanation:

early settlements on the subcontinent. both the indus and the ganges rivers carried rich silt from the mountains to the plains. when the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.