Who decides if a party platform gets carried out?

SO?!?!??!?!??!?! D:< WHAT IS IT!!?!??!?!?!!?!??!?!?!1/1/!?!?!??!?1/1//!?/1/?!?!???!?

its the voters

genuinly suprised this didnt get any actual answer for the original question.
like seriously how
also a plan is more specific than a platform and democrats tend to support social programs and republicans tend to oppose them
you're welcome in advance :)

1. the election board

2. party chair man
3. party members
4. the voters
?????

i think is the voters

The lawmakers (state and national legislators) of the party.

What don't you understand about my answer?

i dont know which of the ones above you mean

I think the party chairman is responsible.

it was the voters

Which statement is true historically about the platforms of republican and democrats

A Democrats tend to support social programs,and republicans tend to oppose them
B democrats tend to support free trade ,and republicans tend to oppose it
C republicans tend to support new taxes, democrats tend to oppose them
D republicans tend to support immigration And democrats tend to oppose it