19. Which of the following is true about the trade imbalance in the United States?

a. The United States has not had a trade surplus since 1975.
b. The United States has run deficits of more than $500 billion in recent years.
c. The United States has the worst trade imbalance of the top three economic centers.
d. Both are true: The U.S. has not had a trade surplus since 1975, and the U.S. has the worst trade imbalance of the top three economic centers.
e. All these answers are correct.

I would say A AND B

I am not sure :/

e. All are probably true.

There were some budget surpluses under Clinton, but no trade surpluses.

To determine the correct answer, let's analyze each option:

a. The statement "The United States has not had a trade surplus since 1975" implies that the United States has consistently experienced trade deficits since 1975. To confirm this, we would need to check trade data for the United States in the past several decades.

b. The statement "The United States has run deficits of more than $500 billion in recent years" suggests that in recent years, the United States has had trade deficits exceeding $500 billion. To validate this, we would need to examine trade deficit figures for the United States in recent years.

c. The statement "The United States has the worst trade imbalance of the top three economic centers" implies that out of the top three economic centers, the United States has the largest trade imbalance. To determine if this is true, we would need to compare the trade imbalances of the United States with the other top economic centers.

Based on the information provided, it seems that options A and B are likely true based on general knowledge of the United States' trade deficit situation. However, to be completely certain, it would be ideal to reference reliable sources such as trade data and economic reports to verify the information.

Therefore, I would suggest choosing option e. All of the answers could be correct, provided that the statements in options A and B are supported by accurate data.