Correct Answer: Slaughter

Solution : The correct choice is the first option.

"Carnage" refers to the widespread and usually bloody killing or slaughter of a large number of people or animals. Similarly, "slaughter" also denotes the act of killing on a large scale, making it an appropriate synonym in the context of violent and widespread destruction.

The meanings of other words are as follows:

• Revelry means lively and noisy festivities, often involving celebration, merrymaking, and enjoyment.
• Plague refers to a widespread and often deadly disease affecting a large number of people or animals.
• Lust means intense or overwhelming desire, often associated with strong sexual or passionate feelings.

Therefore, the right answer is slaughter.