In constitutional monarchies, such roles are filled by the king or queen. The Constitution of America ties the president down as to what he can and cannot do. The American President derives all his powers from the constitution of the USA. Hired as... Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox.

These clearly limit the power of a president. Understanding the leader of a government can get confusing.

To answer that question, you need to look at what a prime minister vs. president is, along with the different powers they have.

The prime minister’s role is largely that of convention, a creation that has crept its way into the framework of British constitutionalism over centuries. We've listed the key differences between the two, and included a chart for quick reference. Presidential candidates are typically elected into their position by the people through an electoral college or popular vote.

However, all he needs to do to sow the seeds of his own political downfall is to lose the support of those Labour MP’s at Westminster. in history from Michigan State University in 1995. But two of the most common are president and prime minister. For example, France has a president and a prime minister. The president of America is frequently referred to as the world’s most powerful person. A prime minister, by definition, must be able to command a legislative majority. Tony Blair has yet to have a serious challenge to his position as party leader.

Colin Powell has been reported as voicing his concerns and the media have reported this accordingly.

Therefore, the ability and opportunity for politicians to voice opposition to the PM’s policies regarding this foreign policy issue are very limited. Blair has been accused of developing presidential powers.eval(ez_write_tag([[300,250],'historylearningsite_co_uk-large-mobile-banner-2','ezslot_19',117,'0','0']));eval(ez_write_tag([[300,250],'historylearningsite_co_uk-large-mobile-banner-2','ezslot_20',117,'0','1'])); However, the powers of the president of America are limited by Article II of the Constitution.

Sir Richard Crossman wrote that : Unlike their ministerial colleagues, the PM is not tied up with a particular department and is ultimately responsible for co-ordinating government policy across the board.

The President has his views while others close to him express theirs.

Many in the current Labour Party are concerned about Tony Blair’s apparent desire to make decisions by himself or with a small non-elected clique thus by-passing both the Cabinet and Westminster.

The Cabinet as a collective body, it has been argued, has been reduced to a clearing house and ratifier of decisions already taken. The position of the president dominates American Politics. And when you throw both into one type of government, it can be even more confusing. What differentiates them other than the latter’s hint of continental flavor?