The statement “We will do whatever it takes to preserve our freedom, but will get more done working together” best summarizes the central idea in this given excerpt.
Explanation:
This speech has a slight reference to the Cold Wars, which happened between U.S.A and the USSR. It was an appeal to the country to give more to United States of America but expect no returns.
His motive was to rather bring nations and powers together for a good purpose. He appeals to the masses by saying that if we are divided there are high chances of us being split due to some “challenges”.