What happens at the national conventions, which are held in presidential election years? a. party leaders plan a schedule for the primary elections and caucuses. b. the nominee from each major party chooses one of the less successful presidential candidates to be his or her running mate. c. delegates from each state select political parties' nominees for president. d. the major-party nominees for president engage in their final televised debate.

The correct answer is C) Delegates from each state select political parties' nominees for president.

What happens at the national conventions, which are held in presidential election years is that delegates from each state select political parties' nominees for president.

In the United States political system, a national convention is when the delegates of the party meet to select its candidate for the next presidential election. It is held every four years and during the convention, the delegates also redefine the political platform of the party and the candidate. In the bipartisan system of the United States, the Republican party and the Democratic party are the two dominant parties that have the power.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

speed =5445/33=165 mpm