Why was checks and balances included to address the concern expressed by madison

Over the course of the eighteenth century which two european powers were locked in almost continual warfare?

How did the economic impacts of the great depression differ in the united states and in the soviet union?

During the 1980s, profit from the sale of weapons to iran was used to stop the communists in costa rica. start a proxy war in el salvador. support the contras in nicaragua. stage a coup d’état in guatemala.