How and why Do Political Systems Change?

How and why do political systems change?
Political systems through the world have changed over the ages. A political system is a significant set of social institutions implemented among the people by the government. Political systems have a lot of functions. Political systems create resources for health, education, welfare, industry and foreign policy. Political systems have changed significantly over centuries and are still changing everyday. To understand why and how political systems change, there are many factors. Some major factors are development, government upheaval and the economy. A main factor and influence on why a political systems change is due to the countries social economy.
There is always a positive relationship between economic development and equality or income. The Linearity theory states that economic development leads to urbanization which leads to communication which leads to high levels of education and in turn leads to Democracy. This theory does an excellent job in showing how economics lead to a change in political systems. Wealthier nations such as the United States, Japan and other European countries often have more reasonable income distributions than poorer countries. But countries like Russia had a poor distribution of social economy due to communism. The USSR was a communist country believing in state owned and centrally planned government. The communists were able to keep up with the other large capital powers of the world.
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