USA HISTORY

Detailed explanation-1: -Japan is a constitutional monarchy with a parliamentary government. Prime Minister Yoshihiko Noda, leader of the Democratic Party of Japan, derives his authority to govern from the constitution.

Detailed explanation-2: -Politics of Japan are conducted in a framework of a dominant-party bicameral parliamentary constitutional monarchy, in which the Emperor is the head of state and the Prime Minister is the head of government and the head of the Cabinet, which directs the executive branch.

Detailed explanation-3: -The Japanese constitution is the oldest unamended constitution in the world. It has not had any amendments to its text in more than 70 years. It is a short constitution with only 5, 000 words, compared to the average constitution with 21, 000 words.

Detailed explanation-4: -Japan is a constitutional monarchy, with a parliamentary system of government based on the separation of powers. The Emperor is the symbol of the state and does not hold political functions, only performing ceremonial duties.