B)     1,    3    and    2
 
 

1.     World War I
           The active military role played by Canada during the First World War contributed to
           greater autonomy from Britain.

3.     The Years of Prosperity
           These years were characterized by the growing popularity of the automobile, the
            airplane, the radio, talking pictures and the Charleston, an American dance.

2.     The Years of Despair
          These years were characterized by the Great Depression, which brought about the
           bankruptcy of numerous businesses and widespread unemployment.