Since their genesis in the XIX century, political parties, social organizations have been initial. In particular, European parties (Western parties) emerged as an organized expression of social and political conflict. Organizations liberal, conservative, rural and social democrats tried to reaffirm their positions and through the organization of parties. Through participation in elections, representation in parliament and participation in governments elected democratically, they sought to implement political and social reforms. Since their origins but also since their parliamentary orientation and desire to achieve public office, political parties so far are positioned between society civil society, parliament and government. In a certain way, political parties can be considered as political civil society organizations that comprise the interest of a particular group (or several groups), articulate and represent them. Through participation in democratic elections, they want to represent these interests to representatives and formal political institutions.