What is President Obama's purpose in this speech?

Obama's goal for his Inaugural speech was to stir the following response among Americans: "This is why I want to go into public service and be a better politician. This is why I want to go home and be a better parent, better worker, better citizen." The State of the Union Address (sometimes abbreviated to SOTU) is an annual message delivered by the president of the United States to the U.S. Congress near the beginning of each calendar year on the current condition of the nation.

Explanation:

cuban communists pressured the soviet union to place missiles in cuba.