Why do Christians loves Israel so much ? But Israel doesn’t care of Christians at all ? Our enemy is same that is Zionist wake Christians before it is to late

Why do Christians loves Israel so much ? But Israel doesn’t care of Christians at all ? Why Christians thinks Jews are chosen people ? If Christianity is from God then how can Jews be chosen people they don’t believe in Christianity and how can 2 different religion be from same god it is a contradiction. Can any one explain ?