Party members in parliaments almost always vote strictly along party lines. Presidential systems, on the contrary, are less disciplined and legislators are free to vote their conscious with fewer repercussions from their party. Debate styles also differ between the two systems. Presidential system legislators make use of a filibuster, or the right to prolong speeches to delay legislative action. Parliamentary systems will call for cloture, or an end to debate so voting can begin.
Most European nations follow the parliamentary system of government.
Britain is the most well known parliamentary system. Because Great Britain was once a pure monarchy, the function of the head of state was given to the royal family, while the role of chief executive was established with Parliament. Some parliaments, however, do not have a history of monarchy. Israel is a parliamentary system with a president. The president, however, does not hold the same power as a president in a presidential system, but functions as the head of state.