Why did Megatron kill Prowl Ironhide Brawn and Ratchet?

Megatron killed Prowl, Ironhide, Brawn, and Ratchet as part of his ruthless campaign against the Autobots during the Transformers series. These characters represented key threats to his plans for Decepticon dominance and sought to protect the Autobot cause. Their deaths served to demonstrate Megatron's brutality and the stakes of the ongoing war, instilling fear and showcasing his willingness to eliminate anyone who opposed him. This act also aimed to weaken the Autobots' morale and resolve in their fight against the Decepticons.