Question

What is the most important event that happens at a party's National Convention?

Answer 1

During a national convention, political party members gather every four years as all of the states participate. The convention is held in the summer prior to the presidential election. Since they represent the state’s voters, state party sends representatives to vote for the candidate favored in their state.  When they have selected the President and Vice President of their party  that is when the convention comes to an end.  During this period the party prepares their platform or list of ideas as well as their stand on important issues affecting the country.

Answer 2

A party's National Convention is e term used in U.S. politics to refer to a meeting of the two major U.S. political parties: the Democratic National and the Republican. In such conventions participate apportioned a number of voting representatives, known as delegates, whose size is determined by factors such as population, the proportion of that state’s Congressional representatives and state officials.

During these conventions it is adopted the statement of party principles and goals, commonly called a platform,  setting as well the rules for the party’s electoral activities. However, the most important event that happens at a party's National Convention, which represents their formal purpose, is to select the party’s nominee for President of the United States.