Which sentence from "Island of Hope, Island of Tears" contains both a cause and an effect? A. Ellis Island afforded them the opportunity to attain the American dream for themselves and their descendants.

B. In 1925, Katherine sent for her parents, Anton and Elena Stollmayer, who longed to see their only children

C. The aged couple journeyed across Europe and sailed to New York from Le Havre, France.

D. Family members believe that Tong Ly Jue was among the first herbalists in the United States.