An election, held to resolve important political question facing a country is called

An election held to resolve important political questions facing a country is called a "referendum." A referendum is a direct vote in which an entire electorate is invited to either accept or reject a particular proposal or question. The purpose of a referendum is to give citizens the opportunity to have their say on important issues affecting their country, such as changes to the constitution, major policy decisions, or changes to the status quo. In this way, a referendum is a key element of a democratic system, allowing citizens to exercise their right to vote and participate in the decision-making process of their country.