Is American coffee called Americao or Long Black? The origin of American coffee? Italian coffee

Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) American coffee is called Americao, or Long Black? The origin of American coffee? What is the relationship between espresso and American coffee? There must be a strong reason for the existence of American coffee. Members of different social backgrounds can hardly feel the enchantment of different cultures.