As countries have developed their democratic systems, a variety of models have emerged for the implementation of this democratic principle. In a republic, for example, there are both presidential and parliamentary systems. In a presidential system (for example, France), the president is elected and can often appoint the government directly, although the approval of parliament may still be required. In a parliamentary system (for example, Turkey), the government is often appointed by a Prime Minister from the elected parliament’s majority party or coalition of parties.