Americans (inhabitants/citizens of US) when people from other countries come to theirs : "These people need to speak English"
Americans when they visit other people's countries : "Why don't these people speak English???"
EDIT : By the context of this post it's blatantly obvious which definition of 'American' is being used lol, but I added an explanation above anyway. ๐ And yes there is more than one definition of "american", usually context makes it clear which is being used for most people
In the common vernacular of today 'American' refers to people from the USA, or something of or related to the USA. That is one of the dictionary definitions of American, and quite frankly the most common usage in today's world. Anyway, to make it clearer for people like you I edited post above to specify