What change occurred regarding how electors are chosen over time?

The correct answer is that the process transitioned from legislative selection to popular election. Originally, in the early years of the United States, electors for the Electoral College were often chosen by state legislatures, which meant that the selection process was more indirect. This approach reflected the belief at the time that the elite or informed individuals should have a larger role in the decision-making process regarding the presidency.

Over time, however, there was a significant shift towards democratization in the election process, leading to the establishment of direct popular elections for electors. This change was influenced by a growing belief in the importance of allowing citizens to have a direct voice in their government and the selection of their leaders. As a result, now citizens typically vote in elections where they choose the slate of electors who will represent them in the Electoral College.

The other options refer to aspects that do not accurately reflect the historical changes in the selection of electors. There hasn't been a system of electors chosen purely through direct democracy; electors still operate under the framework established by state and federal laws. Electronic voting has indeed grown in prevalence but does not pertain to how electors are selected; it pertains to how ballots may be cast. Additionally, electors are not required to be