Explanation:
Solemnly promulgated on Easter 1802, Relating to engagement, affecting one side of a subject, or one-sided...
unilateral = one- sided opinion
The king had a unilateral response to attack the opposing pirates that would rob his ship of treasures.
Both are an indirect or roundabout way of saying something.
I think they are synonyms
Your question answer is in the picture
Hope this help full
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