In the ninth century, the model of medieval society was divided into those who work, those who fight, and those who

answer; william penn's approach made the colony diverse by attracting many types of people and religions;

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

it granted civil rights to african americans.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.