Main idea of this video? Video name: looks aren’t everything Believe me, I’m a model (Ted Talk)

i think it is the byzantine empire

its many islands, high mountains, and remote peninsulas isolated population centers.

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.