Final answer:
The correct answer is option 2. The "educational" hearings on Vietnam were intended to boost public and congressional support for the war, as well as explain the war to the Senate and the general public.
Step-by-step explanation:
The "educational" hearings on Vietnam were intended to:
- Boost public support for the war: The hearings aimed to present the reasons for American involvement in Vietnam to the public and convince them of the necessity of the war.
- Boost congressional support for the war: The hearings were also intended to gain support from members of Congress who were undecided or skeptical about the war.
- Explain the war to the Senate: The hearings provided an opportunity for senators to ask questions and gain a clearer understanding of the reasons behind the war.
- Explain the war to the public: By publicly explaining the war and its objectives, the hearings aimed to give the general public a better understanding of the conflict.