The Zollverein was an economic union of 30 states. The correct option among all the options given in the question is option "b". Zollverein is actually a coalition of German states whose main agenda was to manage the tariffs and all the economic policies within the German territories. Later on it expanded to other European countries as well.
The labor demands, of war industries caused millions more Americans to move mostly to the Atlantic, Pacific, and Gulf coasts. When World War II ended in 1945, September 2 the United States was in a better economic condition than any other country in the world. 300,000 combat deaths suffered by Americans diminished in comparison to any other major pugnacious. American society became more prosperous in the postwar years than most Americans could have imagined in their wildest dreams before or during the war. The so-called GI Bill of Rights passed in 1944, (due to Public Policy) provided money for veterans to attend college, to purchase homes, and to buy farms. The overall ramifications of such public policies was almost cosmic, but it unequivocally availed returning veterans to better themselves and to begin forming families and having children in exceptional numbers.
The 19th Amendment, passed in 1920, gave women the right to vote.
A. True Halet is the only charecter who survives at the end of the play