In democracies that is what happens, a president elected democratically may, at an election be defeated by another candidate fighting the election.
A Democrat could run for the Democratic nomination against an incumbent Democratic President. This happened in 1980 , for example, when Ted Kennedy ran against President Carter. A democrat would not run on the same party lines as another Democrat since the Democratic party can only nominate one candidate themselves. So a third party could nominate a Democrat to run for president if that Democrat lost the Democratic nomination to someone else.
The Democratic Party doesn't have another name like "G.O.P." for the Republican Party. In particular, the name "Democrat Party" is incorrect. No member of the Democratic Party ever refers to it as the "Democrat Party."
Democratic Republicans
No.
Democracy is another word referring to the democratic process.
They get four years then there is a re-election then they can win another four years
Another name for the Democratic-Republicans, used especially by historians, is simply the Republicans.
A dissertation topic concerning American presidents could explore how various presidents have handled the decision to go to war. Another topic would be to explore the childhoods of presidents.
The citizens of the District of Columbia assisted by (numerically) a large number of Democrat lawmakers who wished to bring the majority Democrat-voting citizenry into Congress to give the Democrat Party another voting member.
Obama is a center left Democrat , not a communist.
A democratic idea in the Mayflower Compact was the idea of mutual regard for one another as equals. Another was the goal of establishing laws that were equal and just.
A Democratic White House