Which British political party pushed to have a referendum in 2011 that would have implemented an "alternative vote" or "instant runoff" electoral system?

Question

Quizplus · Accepted Answer

The Liberal Democrats pushed for a referendum in 2011 to implement an "alternative vote" or "instant runoff" electoral system as part of their coalition agreement with the Conservative Party. This was a key policy for the Liberal Democrats, who have long advocated for electoral reform to create a more proportional representation system.

Which British Political Party Pushed to Have a Referendum in 2011