Draw Inferences

Question

What events influenced the growth of environmental movement in the United States? Why did the environmental movement attract many of the same people who had participated in other movements? Do you think the environmental movement has had a positive or negative effect on the United States?

I just need to make sure my answer is okie? and what i need to expand on to make it longer:
MY ANSWER : Some events that influenced the growth of the environmental awareness were, smog, acid rain, and toxic waste that started making people really sick and created cancer and birth defects.

Answer 1

I agree.

Answer 2

What could I say to expand it ? should I add more details ?

Answer 3

Yes you can write more detail.

You might Google U.S. history environmental movement.