21. What did analysts attribute to John Kennedy winning the 1960 presidential election? Newspapers

Whistle-stop campaigning

Television

Radio​

The 1960 presidential election was not decided by one event, tactic or blunder. John Kennedy’s selection of Lyndon Johnson as Vice President, his convincing rebuttals to attacks on his religion, inexperience and health, and Republican errors all had a substantial bearing on the outcome.

However, Kennedy won above all because he was Nixon’s equal in substance and superior in style. As the first absolutely media-conscious and heavily-marketed presidential candidate, Kennedy was able to impress upon the nation the idea that it had entered a new epoch and that he was its ideal leader.

the answer to your question is:

strong-mayor system

lincoln won 212 electoral votes to mcclellan's 21 votes, and lincoln beat mcclellan. is the main reason lincoln won in 1864.