What is the purpose of a party platform?

to inform voters of a party’s core beliefs and positions

to give a third party a chance to get candidates on the ballot

to ensure that one of the two major parties wins every election

to prevent a national party from influencing state elections

a.)  to inform voters of a party’s core beliefs and positions

Explanation:

hope it helps

To inform voters of a party's core beliefs and positions.

Explanation:

Parties for example, the democrats and republicans tend to have different point of views on politics. Republicans are usually socialist and tend to stick with the same thing like traditions for example. Democrats tend to be different with their beliefs.

answer: the third option is your answer

explanation:

an earnest tone.

because portia wants to know why brutus has been acting strange lately.