Question

why should it be necessary to contest an election again and again

Answer 1

one party rule may lead to instability in democracy and they would be after a lot of money rather helping out people.
if elections are conducted again again, then it would five public an opinion ti choose a good representative.
if they make a wring choice once, they have the ability to correct then

Answer 2

It is thus necessary to contest elections again and again,to keep the government on it's toes to make it accountable to the people and enable the latter to change the government if necessary.

Plz mark it as the brainliest.