Answer:
"On Monsieur's Departure" is sometimes called a sonnet. Though it is very similar to that type of poem, it is not a true sonnet because it does not conform to sonnet structure.
A metrical line ending at a grammatical boundary or break—such as a dash or closing parenthesis—or with punctuation such as a colon, a semicolon, or a period. A line is considered end-stopped, too, if it contains a complete phrase.
Step-by-step explanation:
It was written in the early 1580s after the duke of Anjou9 had left England for good with no hope of winning Elizabeth's hand. François was Catherine de' Medici's youngest son and this had been her third attempt to extend French influence and win the English crown for her sons.