Is it true that the us is a unitary state because power is divided between the central gov. and the local gov?

https://www.askmehelpdesk.com/social-studies/announcement-u-b-read-first-expectations-homework-help-board-b-u.html

I wasn't asking you to do my homework for me I was writing a social studies paper and I was going to put that as part of it and I thought it was true and I looked in the book to see if it was and wasn't very clear so I was double checking but I found the answer anyway!!