Final answer:
The closure of Allen Campbell's tire business due to credit foreclosure is an example of a business failure, which can occur for various reasons and have significant impacts on the people involved and the broader economy.
Step-by-step explanation:
Allen Campbell's small tire business has recently closed due to credit foreclosure. This is an example of business failure. Business failure occurs for a multitude of reasons, such as poor management, unproductive workers, tough domestic or foreign competition, or unexpected shifts in market demand and supply that affect product pricing or input costs. The closure of a business can have substantial repercussions on employees, managers, and the overall economy, despite being part of the market's natural churn.