Which Christian country sent armies to three crusades? England
France
Poland
Holy Roman Empire

small european communities with shared traditions consolidated into large new states (apex)

cultural history is your answer

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.