How did the number of new immigrants around the turn of the twentieth century affect the number of acculturation programs in the United States? A small number of immigrants arrived, so many settlement houses stopped offering acculturation programs. A large number of immigrants arrived, and they sought acculturation programs at settlement houses. A small number of immigrants arrived, so the number of acculturation programs at settlement houses remained the same. A large number of immigrants arrived, but most settlement houses closed and stopped offering acculturation programs.