Why was this peace between nations only a short lasting agreement?

Why peace agreements often fail to end civil wars For some people sometimes, war is safer than peace. Starting with that premise helps one understand why the United Nations, the United States and others so often fail to implement the peace treaties they help others negotiate.

Explanation:

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.

the mothers played a major role in confronting the government and ending the war.