Step 1: Understanding the Single-Transferable Vote (STV) system.
The Single Transferable Vote (STV) system is a preferential voting system used to elect multiple representatives from multi-member constituencies. The system is designed to produce proportional representation.
Step 2: Analysis of options.
- (A) The single-transferable vote system was first proposed by Thomas Hare: This is correct. Thomas Hare, a British political reformer, is credited with proposing the STV system.
- (B) It is widely used in the Republic of Ireland: This is correct. The Republic of Ireland uses the STV system for elections to its lower house of parliament, the Dáil Éireann.
- (C) In the States with multi-member constituencies, the representatives are elected from each constituency: This is also correct. The STV system is used in multi-member constituencies where voters elect more than one representative.
- (D) The voters get to cast multiple votes: This is correct. Voters rank candidates in order of preference, and their votes can be transferred between candidates based on their preferences.
Step 3: Conclusion.
The correct answer is (3) A, B, C and D, as all the statements about the STV system are correct.