Which of the following is a common reason for small businesses to fail due to external factors? a. economic recession b. cash-flow problems c. failure to learn from past mistakes d. overlooking the insights of qualified accountants

a. economic recession Economic recessions can significantly impact small businesses by reducing consumer spending, affecting sales, and leading to overall economic instability, which are common external factors contributing to business failures. The other options listed are more related to internal management issues rather than external factors.