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I am currently writing papers on the immigration pattern in the US throughout history. I came across a problem that I have never been taught before (I am a ESL speaker) about the plurality of the people of a certain nation.
Would the plural of the people German nationality "the Germans" or "the German"? Is the "s" necessary to turn it into a plural noun? I have this question because I know that the plural of the people of Chinese nationality is "the Chinese" but not "the Chineses."
Is there any rule to this? If so, what would be the plural form for the people of Irish nationality or Indian nationality?