Between 1820 and 1860 five million immigrants arrived in the U.S.

Between 1820 and 1860 five million immigrants arrived in the United States. Most came as a result of problems at home and opportunity in the New World. The bulk of these immigrants came from ...

a. Eastern and southern European.

b. Germany and Ireland

c. Great Britain and Italy.

d. Poland and Russia.

e. Czechoslovakia and Rumania