Geraldine Ferraro (Democratic) in 1984 and Sarah Palin (Republican) in 2008.
2 candidates * 5 vice-president candidates = 10 combinations.
The US has never elected a female president or even had a major party candidate who was female. Two women have run for vice-president but neither was elected.
Made it so that the president and vice-president run for the two offices on the same ticket
The president and vice president ran together in elections.
Joe Biden hasn't yet.
YES. The Constitution states that a president can serve for 10 years or two terms. Since each term is 4 years, two terms is 8 years. In these cases, the Vice-President that becomes President can finish the two years, and then run for 2 more terms in office.
Practically, no. Since the vice president is made president if the president is incapable of performing his duties, they would be constitutionally unable to fulfill the obligation if the president were to resign or take ill.
Yes, the two offices are filled thorugh one ballot.
The Electoral College wrote two names on the ballot.
Eisenhower and Nixon served two terms as Presidentand VP; 1953-1961.
Gerald Ford (1976), Al Gore (2000)
The vice president would finish the term and have to run for any future terms on his own. Eight years (two terms) is the maximum time anyone can be president.