Candidates are forced to run a "permanent campaign."
Candidates are less reliant on fundraising events.
Candidates have budgets determined by Congress
Candidates have started campaigning longer.
they spend more money.
Advisors select and choose a vice president.
The president is elected by the Electoral College in December of an election year. The Electoral College is elected by the people in the general election held the first Tuesday after the first Monday in November of an election year.
Since the Referendum in 2000, a Presidential term is 5 years, and no-one can serve more than two terms as President of France.
It was in the United States. It took several years for this practice to arrive in the US. I am not sure that it was a development in the sense that it was a theoretical advancement from the point of view of government theory.
The 1960 US Presidential election was held on Tuesday, November 8.
The conventions are now later because of campaign finance laws, which forbid fundraising after the election.
Nowadays, this occurs at the convention of his party. Years ago candidates for nomination did not always come to the convention and so had to be notified at home or wherever they were.
4 years
A senatorial candidate must be 30 years old to qualify for election. Candidates for the House of Representatives must be 25 years old to qualify for election. Presidential and vice-presidential candidates must be 35 years old.
4 years
1994
Presidential power has grown
They decide on party platforms and nominate presidential/vice-presidential candidates.
Presidential power has grown
Never- the term is still four-years.
Advisors select and choose a vice president.
35 years. Presidential candidates must be natural born citizens. Naturalized citizens cannot be president.