Why was president polk so adamant about war with mexico?

he wanted the border settled with mexico.
he wanted the rich lands of the southwest.
he did not like the treatment of american citizens.
he wanted revenge for the deaths of so many americans.

The correct answer is: B. He wanted the rich lands of the southwest.

Explanation:

answer; i believe the above statement is (true);

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.