Progressivism could best be described as a political ideology that seeks to promote the social and economic advancement of the majority of society--not just the rich and "interested" money groups.
What were the causes and effects of the mining boom in the West? The discovery of various metals in the West led to mining booms.
The answer to that question is Walter Rauschenbusch
Political instability the treaty of Versailles is what ended the world war I Germany was faced to pay reparations, take the blame and have there army shrunken and they lost their territory