This is not a case of Trump having done bad things and Biden doing nothing. An analogue is if trump were firing a minigun on a bunch of people, he left office, Biden took over and resumed firing.

Also, sanctions by the richest country in history need to be proven to have adverse effects on the imposed in the same way the theory of gravity needs to be proven again: only flat earth type loonies need it so it’s merely an exercise, not an academic necessity.