Answer:
By his use of powerful and string words, he was able to successfully portray his resolve to stand firm in his intention of making America a great nation. At the same time, he also make it known that he is open to any peaceful means of resolving problems too.
Explanation:
In his Presidential address, which was short, compared to other presidential addresses, newly elected President John Fitzgerald Kennedy gave an inspiring yet strong speech wherein he showed his prowess in words and also in his resolve to act if needed.
He uses strong words in his deliverance of the presidential speech. He states "<em>Let every nation know, whether it wishes us well or ill, that we shall pay any price, bear any burden, meet any hardship, support any friend, oppose any foe to assure the survival and the success of liberty</em>". Stating on the strong united stand of America in the face of other nations, he affirms the people's belief of standing hard and fast even at the face of adversities.
But even when showing his belief in the strong resolve of the nation, he also address the open mindedness of his administration, to be open to negotiations and talks. He welcomes the idea to "<em>begin anew--remembering on both sides that civility is not a sign of weakness, and sincerity is always subject to proof. Let us never negotiate out of fear. But let us never fear to negotiate.</em>"
Towards the end of the speech, he boldly states that he will "<em>not shrink from this responsibility--I welcome it</em>". And by closing with a strong essence of bravery and extending a helping hand, he addressed everyone with the now famous quote "<em>ask not what your country can do for you--ask what you can do for your country.</em>" All of his words get through to the core of the people and affirms their belief in their newly elected leader.