Final answer:
The National Convention involves the nomination process, platform discussions, adoption of planks, and keynote speeches.
Step-by-step explanation:
The four activities or elements associated with the National Convention are:
- Nomination process: Delegates from each state publicly state who their state's voters selected as the nominee for president and vice president.
- Platform discussions: Delegates debate, modify, and vote on their party's platform, which consists of a cohesive list of issues and concerns important to the party's members.
- Adoption of planks: Delegates discuss and vote on individual issues called planks, which make up the party platform.
- Keynote speeches: High-ranking politicians, party elites, and rising stars give speeches to rally party members and promote their presidential and vice presidential nominees.