Which parties favored bimetallism?
who was their candidate?

i don't know

Democrats favored Bimetallism and their candidate was William Jennings Bryan

Explanation:

Bimetallism is monetary policy in which the value of a currency is dependent on two valuable metals instead of one. E.g. Instead of simply pegging a currency with the price of gold, it can be done with gold and silver.

In fact, from the very early years, Gold and Silver were legal tenders in the country but was completely abolished by 1873.

William Jennings Bryan was a famous Democrat who believed that Bimetallism should be brought back to the country for more economic stability,

assuming that by westerners you mean americans. that they were mean and controlling and abusive to its peasants.

explanation:

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.