What is the main point of william jennings bryan’s speech?

The mayflower compact was signed at the end of war

Supporters of using the atomic bomb at the end of world war ii believed that a japan might win the war if the bomb was not used. b americans were tired of war and the us should end it quickly. c russia was developing a bomb and the us needed to use it first. d japan was developing a bomb and the us needed to use it first.

Who was marshall mcluhan and what did he have to do with communication theory?