Respuesta :
The correct answers would be:
"To convince the public to support an idea" - Obviously, the president would like to have the support of the public on his plans.
"To encourage the public to unite" - It's ideal for a country to be united, focused on the goal of doing good for the country, as well as understanding the plans of the government, and being patient while they progress and start showing results.
"To motivate the public to take action" - This one is related to the previous one. Again he's motivating the public to get on board with his plan.
Answer:
To convince the public to support an idea
To encourage the public to unite
To motivate the public to take action
Explanation:
United States President Roosevelt delivered his state of the Union address in 1945, during World War II to convince, encourage and support the American people about the United States success and to ensure the country was on the right track regarding the war and that the possibilities to win were favorable. Roosevelt's speech successfully appealed to a sense of nationalism in all Americans, which was a key point on winning because every American wanted to contribute in anyway the could.