Answer:
giving the President authorization, without the approval of the declaration of war by Congress.
Explanation:
The Gulf of Tonkin Resolution increased the power of the executive branch by "giving the President authorization, without the approval of the declaration of war by Congress."
The purpose is to ensure all essential actions are taken swiftly to put a stop to any armed attack against the forces of the United States and to dissuade additional aggression by the communist government in South East Asia, particularly North Vietnam's government.
Was a cause because building an empire needs manpower such as an army and a navy to conquer and keep the land that they colonised. The alliances system meant that a local conflict could easily result into an intimidating global one.
