Respuesta :
Party platform. A political party platform or program is a formal set of principal goals which are supported by a political party or individual candidate, in order to appeal to the general public, for the ultimate purpose of garnering the general public's support and votes about complicated topics or issues.
I got this from wikipedia
Hope I helped sorry if not.
Answer:
To gain public support and votes.
Explanation:
A party platform is used by a political party to set a functional system with the campaign to the voters as a goal. All their efforts are aimed to gain people's acceptance, support, and of course, their votes.
So, basically the parties platforms are all the structures, strategies, goals, resources that are designated to that aim.