U.S Institution: EXECUTIVE AND JUDICIARY IN THE UNITED STATES PART V Vietnam government, the supreme executive body of Vietnam unifies the management of the implementation of the tasks of politics,economy, culture, society, national defense, security and foreign policy of the State to ensure validity of the state apparatus from the central to grassroots levels; ensure respect for and observance of the Constitution and laws; Promote citizenship in the construction cause and national defense; Ensure stability and improve living standards of people. To perform its functions, the government has the authority to issue legal documents stipulated in Article 2,Law on Promulgation of Legal Normative Documents 2008: Decree of the Government, the decision of the Prime Minister, Circular of Ministers and the decision of the State Auditor. And, here is the competent of executive bodies;the legal effect is lower than the text of the National Assembly, the National Assembly Standing Committee issued. In comparison with Vietnam, Article II of the Constitution confers executive power on the President. All executive powers are delegated by the President and ultimately responsible to him. In some areas, the relationship between the executive branch and the other two branches is clear. Suppose there is a bank robbery. Congress passes a law that stipulates a statute criminalizing bank robbery (U.S. Code, Title 18, Section,Section 21 131). Federal Bureau of Investigation (FBI), a bureau under the Department of Justice can investigate the incident. When there is one or more suspects, a Federal Prosecutor who (also under the Department of Justice) may try to prove suspects’ crime in a criminal trial conducted by U.S. District Court.