Which sentence uses the word agitate correctly?

the farmers can agitate after the rain.

the duke is always willing to agitate the servants when he is angry.

the king can agitate his people with kind treatment.

when his daughter is married, the king will agitate to the west.

B. The duke is always willing to agitate the servants when he is angry.

Explanation:

The definition of agitate, is to make (someone) troubled or nervous. By using the definition and context clues within the sentence, we can infer that the proper sentence choice, is option B.

The duke is always willing to trouble his servants when he is angry.