The benefit a country of the difference in value between a nation's exports animports, including both goods and services. ... Shortfall that occurs when the total value of a nation's imports is higher than the total value of its exports. Balance of payments. A measure of the total flows of money into or out of a country.
Answer is B moscow,,,,hope this helps
The answer is D: All of the above
The Calhoun doctrine shows that Calhoun wanted states to have the right to nullify national laws (B).
