Please help grading an essay. please.

Ok, so i told my little brother i would reward him something if he scored a certain amount on the sat. So, he doesnt want me to grade it because he think i would give him a lower score.

https://drive.google.com/file/d/0B2rYUCAN8KfweXdVbjR6ZXZ1dWc/view

https://drive.google.com/file/d/0B2rYUCAN8KfwTmNpTUVTUEZQNWM/view

i know the handwriting is terrible. Just grade what you can read.

please give a numerical score(from 1 - 6). i know its terrible, just do your best and try to give what you think is accurate. thanks.

The essay asked weather or not too much information can be harmful?