What’s is one function of political parties

Political Power.

Explanation:

The reason that we have political parties is because there are many different parties that focus on different things. Some worry more about nature, some worry more about the economical power and capitalism. They can differ a little so they are branched out to each represent what they would like.

i believe the answer is:

-   william jennings bryan is a democrat while mckinley was a republican

at that time, the segment of population that choose for democratic party were the voters with low economic background and vice versa

- william jennings has support of populists and wants to have inflation to farmers while mckinley has support of bankers and businessmen , doesn't want inflation

the fixed value of gold make the large business able to stack up their gold without   being worried that it would devaluated.

- william jennings supported the silver standard while mckinley supported the gold standard

according to jenning, using other metal beside gold could the poor people to have more purchasing power and them advance in the society.

it was displayed because they had a love for war