Which of the following statements is true about immigration to the United States during the last two decades of the nineteenth century?

AUnited States immigrantion laws sharply reduced the number of eligible immigrants.
BIrish immigrants came in larger numbers than earlier in the century.
CNativist agitation brought about a decline in immigration.
DThe United States government entered into a "gentleman's agreement" to ban immigration from certain countries
ESouthern and Eastern Europeans came in larger numbers than earlier in the century.