The Working Class Movement Before 1914 Was Unable to Resolve

The working class movement before 1914 was unable to resolve which of the following contradictions?

A) Socialism sought the abolition of the private employer, while trade unionism sought to bargain with employers for better conditions.
B) The trade unions wished to prepare for revolution, while the socialist political parties were more interested in rhetoric and theories.
C) Rural workers were more conservative than urban workers, especially in countries like Italy.
D) Intellectuals favored unionism, while workers favored socialism.