引导旋转木马不工作和干扰其他jquery。这是为什么呢?

I have been trying for quite some time to figure out how to insert a bootstrap carousel with no luck. I don't know if it's bc of how I'm inserting the script. I downloaded bootstrap and put it into my folder. I'm following video after video and online tutorials with no luck. With what I have now, I see that somehow, the script is interfering with my nav, the drop down information that appears when you hover over the words are now separated, when they used to be directly under the word with no padding or margin between. I simply wish to have a carousel directly underneath my nav, while still allowing the nav to drop down with information when hovered over using the js I have already placed.I have been trying for quite some time to figur