But the water on the left is being pulled by everything to the right of it, moon, earth, other water. Why is it left behind? Every single thing is being attracted by the same centre of gravity on the right of the earth
I think you mean "eminent domain" – the emoluments clause prohibits government officials from accepting gifts, payments, or titles from foreign states.
Mockingbird, by Walter Tevis (who wrote The Hustler and The Color of Money, and Queen's Gambit, and The Man Who Fell To Earth – quite an oeuvre!) has long been one of my favorite books and it's been eerie to see how right he was about how eager mankind is to hand over all intellectual labor to the robots.
(The last level 9 robot that hasn't killed itself is now the Dean of NYU, and in the 25th century it hires the first man who has learned to read in 400 years – to translate the title cards in silent films. Hilarity ensues. Well, no, but there is kind of a happy ending.)