Perhaps Dunbar uses the image of a mask as wearing a face allows us to conceal our face - enabling us to hide any expression or emotion. In his poem, he mentions how black people felt the need to appear as content or happy when surrounded by people who were white - especially when they felt the opposite. The mask represents the false expressions the blacks had to wear.
Answer:
First start with 2020, when it first happened, then delta variant, more cases, and so on... and maybe include when the people could get the vaccine
Explanation:
Rude or disrespectful is hasty
A plot diagram is the answer