Question \#2 of 23 The purpose of a comprehensive plan is to develop a long-term (20-to-30-year) guide to how areas will grow-such as where housing will be located, retail spaces, sewer treatment plants, et cetera. What government institutions have comprehensive plans? A) Regional planning commissions B) County governments C) All of these D) Local governments

**Step 1:** Understand that a comprehensive plan provides a long-range guide (20 to 30 years) for development in a specific area. This plan determines locations for residential areas, retail spaces, infrastructure like sewer treatment plants, etc. **Step 2:** The question asks about which levels of government have comprehensive plans. The options include: - Regional planning commissions, - County governments, - Local governments. **Step 3:** Comprehensive plans are developed and maintained by multiple types of governmental bodies. Therefore, each of the listed government institutions—regional planning commissions, county governments, and local governments—can have their own comprehensive plans. **Step 4:** Since all the above levels prepare long-term comprehensive plans based on their specific responsibilities and jurisdiction, the correct answer is: \( \textbf{C) All of these} \)