The electoral system in which the winner should have more than all the votes of all the other contestants put together is called
The correct answer is: D
Explanation
In this electoral system, a candidate must secure more votes than the combined total of all other candidates' votes to be declared the winner. This means the winner needs to obtain over 50% of the total votes cast. This system is more demanding than a simple majority, as it requires a more definitive level of support from the electorate.