Plato believed that knowledge of reality is grounded in knowledge of .

For Plato, the Forms are the metaphysical foundation of reality, which means that knowledge of reality is grounded in knowledge of the Forms.

Explanation:

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.