Final answer:
The government's decision to not act or do nothing about certain policy problems is referred to as laissez faire, which is a political system that enacts few restrictions on businesses and maintains low taxes on private property.
Step-by-step explanation:
The correct answer is a. Laissez faire.
Laissez-faire refers to a political system that enacts few restrictions on the actions of businesses and maintains low taxes on private property. In certain policy problems, the government may choose to not act or do nothing about the issue, which is referred to as a laissez-faire approach. This approach is characterized by limited government intervention and letting the market operate freely.