What Was the Significance of the 1840 Presidential Election

What was the significance of the 1840 presidential election?

A) It marked the first peaceful transfer of presidency following an election and cemented the stability of the two-party system in the United States.
B) It extended organized two-party competition to every state in the nation, framing not only the contest for president but also competition for offices at all levels of government.
C) It was the first multiparty presidential election in the history of the United States and established the practice of voters strategically defecting to one of the major parties.
D) This was the first time in the history of the country that the franchise was extended to all citizens, and voter turnout was remarkably high.