Answer:
They used apostrophe. Hail to thee, blithe Spirit!
Explanation:
Throught the entire speech, Eisenhower tone remains positive and sincere. He speaks like he is just another average person, which makes him seem friendly. Example, Eisenhower ends the speech with a simple and unpretentious ¨Thank you, and good night¨and not with the new almost obligatory, ¨God bless the United States of America¨
