Final answer:
Objective analysis is the best description of the approach in the United States that business decisions must be supported and based on accurate and relevant information.
Step-by-step explanation:
The best description of the approach in the United States that business decisions must be supported and based on accurate and relevant information is Objective analysis.
Objective analysis refers to the practice of making business decisions based on factual and unbiased information. It involves conducting research, analyzing data, and considering various factors before making a decision. This approach helps ensure that decisions are rational, logical, and grounded in reality.