Final answer:
Polaris may engage in any of the strategies to a varying degree of effectiveness.
Step-by-step explanation:
The answer to the question is a. true.
Polaris may engage in any of the strategies to a varying degree of effectiveness. This means that the effectiveness of the strategies used by Polaris can vary depending on the circumstances. For example, if Polaris is using a particular strategy to solve a problem, it may be more or less effective depending on the specific details of the situation.
In conclusion, Polaris may engage in any of the strategies to a varying degree of effectiveness, making option a. true.