Given the Target and Argument texts detect the stance that the argument has towards the topic. There are three types of stances "in favor", "against", and "neutral". 

Topic: Mandatory military service
 Argument: Impossible to mandate morality of state.
against

Topic: Compulsory voting
 Argument: Mandatory voting would reduce polarization.
in favor

Topic: Democratic peace theory
 Argument: Democracies are founded on similar principles so they should not go to war.

in favor