Madison understood that power can corrupt as seen with the kings of their time. So Madison set up the form of government that relies on separate branches of government that operates under checks and balances. This means that no one branch can get too powerful and overrule the other branches. We see this in modern government in the legislative, executive and judicial branches. Madison improved upon the idea that power cannot be held by one man or a few people.
Enforces all laws created by the legislative branch
Gorbachev pursued glasnost and perestroika reforms in part because the war in Afghanistan had drained the nation's resources. Mikhail Gorbachev, as known as the former General Secretary of the Soviet Union (Russia), noticed that there has been a huge decrease in their resources. They were fighting a war in Afghanistan, and used all of the nation's resources to help them win the war. Since they used most of their resources, they didn't have much to help the economy, so if they don't get enough resources back, the economy would fail. Because of this Gorbachev made a movement called "perestroika" to help get back the nation's resources. What this movement did was let the government speaker, or have a conversation, about the issues that are going on in the economy, and see if there could be a way to solve it.
The bourgeoisie, because they were like the middle class, and without them, the social classes would be the same as before.