Question

America's first elections involved public voting by voice. What made that method of voting unworkable?

A. The invention of the first voting machine
B. the growing number of eligible voters
C. The adoption of the Australian ballot
D. The move to secret ballots

Answer 1

One of the many things that made that method of voting unworkable was "B. the growing number of eligible voters," since it became impossible to tell who was voting for whom.