What social change occurred in great britain when the middle and working classes learned of the political freedoms granted to u. s. citizens?

When Great Britain's middle and working class learned about the political freedoms that were granted to the United States' citizens, they demamded to have a similar representation in their government, in other words, they voted to have a demogratic form of government in their country too. 

His belief that laws designed to the majority would succeed in aiding minorities as well