Answer:
Of the options provided the best answer is the following: A vote in which everyone (or nearly everyone) of voting age can take part.
Explanation:
A referendum is a general vote on a political question. It is usually a single question that the government wants to propose to people via a direct decision. The referendum may result in the adoption of a new government policy or a specific piece of legislation. Other terminology for a referendum is a plebiscite or a vote on a ballot question. A recent and well-known example was the Brexit vote when UK citizens voted to leave the European Union. Similar referendums have been held in Canada regarding the sovereignty of Quebec.
