Write an English composition about 100 on the theme of cultural diversity.

Throughout the history of the United States, wave after wave of immigration constitutes one of its most striking features, which not only started with this, but also continued with it. With the wave of immigration, the cultures and traditions of many different races and nationalities are gradually reborn in this vast new continent. No country in the world has such a diverse population structure, but it is this diversity that has made the United States today and its unique multiculturalism.