Answer:
Since the BOP essentially serves as the financial ledger and source of truth around a country's financial transactions on all fronts, you can imagine that it is incredibly important. The BOP can reveal the economic health of a nation and help economists postulate its future economic landscape.
Explanation:
Maybe there were no cures, vaccines, or antibodies at the time. Medicine was never completely discovered for centuries to come, which is why the Black Plague occurred during the medieval/Middle Ages.