Question: What happens at the national party conventions? Group of answer choices Delegates are assembled so the party can assess their future political potential based on their writing of the party platform. Candidates are sworn to adhere to both the letter and the spirit of the party platform once they are elected to office. Presidential and vice presidential candidates are nominated, a party platform is written, and party rules are revised. Elections are held to determine the new party leaders, who then appoint the members of the national and state committees.