Final answer:
Emergency alert systems, weather alert systems, and public announcement systems can call citizens in a designated area with an automated action message.
Step-by-step explanation:
Emergency alert systems, weather alert systems, and public announcement systems can all call citizens in a designated area with an automated action message. These systems are commonly used to provide important information, such as weather warnings, emergency alerts, or public announcements, to the public. For example, emergency alert systems can send text messages or broadcast messages to cell phones, while weather alert systems can deliver automated phone calls or emergency tones to landlines.