What are the superficial roles of national conventions?

- To act as publicity for the candidate - the winner can sell their message to the public, often through attacks on the other party, stage-managed speeches by other politicians and endorsements by celebrities. They are often held in swing states - To reunite the party after the divine primary process - To rally party activists - they attended and watched by party activists who are crucial in helping a candidate win. They organise events, contact voters and raise funds.