What is the balanced of trade and why did countries want a favorable balance of trade?

The balance of trade is the difference between the monetary value of a nation's exports and imports over a period of time. Nations want to ensure they have a favorable balance of trade in order balance trade between themselves and other nations. Unfavorable balances mean a lack of equilibrium between imports and exports.

c) they were beaten and fired from their jobs.

i believe your answer is d)