As an American myself, I’ve asked several people this question. No one seems to know why either. Is it strategic position in the world? I don’t think they have anything the US can exploit besides that really. Am I missing something? Political arguing aside what exactly is the motivation? Thanks for any explanations.
The politicians are into it for the campaign donations.
The average citizen supports it because they generally still have a post-WWII mindset and are resistant to criticisms of Israel and conflate anti-Israeli sentiment with antisemitism which Israel encourages.