Which statements about subjective ideas are true? Check all that apply.

They can be proven with facts.
They cannot be supported with facts.
They are based on opinions.
They recognize all relevant evidence of an idea.
They use only evidence that supports the idea.

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.

multiple choice? can i see the answers?