D)     4,      2,      1,     3

4.    Changes in the labour market and the high unemployment rate led to changes in union behaviour.
       Under certain conditions they accepted wage decreases in order to avoid job cuts.

2.    The Labour Code gave workers better protection. Quebec civil servants made substantial gains.

1.    Strikes or trade unions were rare. Some worker organizations were demanding the ten hour day.

3.    The clergy were organizing special Catholic unions. The Confédération des Travailleurs
       Catholiques du Canada was formed.