Adrien, welcome to RR!
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America supported Israel too much but now the relations between them are changed

I agree on the first, the military support was a little over the top. How much have things really changed though? It appears to me that the whole thing is on the back burner for now and just waiting for the next anti-Arab military action by Israel.
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and they will get worse in the time to come.
In some ways I hope so, in others not. Politically Israel is our best friend in the middle east, some see this as a good thing. I'm not so sure that an enclave of mostly European Jews in the middle of the Arab world is the best place to search for friends. While the US will never get along philosophically or in terms of religion with the Arabs I don't see that as a reason not to be able to get along politically.

Good coffee, good weed, and time on my hands...