This form of voting was introduced in the United States in 1888: Internet or electronic television absentee Australian or secret ballot

The form of voting that was introduced in the United States in 1888 was the process of secret ballot. The correct option among all the options that are given in the question is the last option. This is the process of voting in which the choice of the voters are kept anonymous. I hope this is the answer you were looking for.

The answer is the Australian Ballot