The democratic and republican candidates for president are formally nominated by the national party conventions. Hence, option D is correct.
<h3>What is national party conventions?</h3>
A political gathering known as the United States presidential nominating convention is held every four years by the majority of the political parties in the nation that will be nominating candidates for the upcoming presidential election.
Typically, in order to become the presidential nominee, a candidate must get the support of the majority of delegates. This is often made possible through the party's state primaries and caucuses.
Thus, option D is correct.
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a. presidential caucuses.
b. presidential primaries.
c. Electoral College.
d. national party conventions.
e. national committees.
