The Advent of the Australian Ballot in the Early Twentieth

The advent of the Australian ballot in the early twentieth century was significant because it

A) removed all party labels from the voting process.
B) allowed voters to rank order each of the candidates running for a given office.
C) provided voters with the ability to write in candidates who did not have their names printed on the ballot.
D) enabled voters to make their choices on the basis of the individual candidate rather than the collective merits of a party's candidates.