D. A plateau period means that there is no change, bad or good. Options A-C are exciting changes, meaning there is an uphill change. However in D, nothing is changing at all.
<span>In the 1796 election, John Adams, the Federalist Party presidential candidate, received a majority of the electoral votes. However, the Federalist electors scattered their second votes, resulting in the Democratic-republican party presidential candidate, Thomas Jefferson, receiving the second highest number of electoral votes and thus being elected Vice President</span>