Can't read my, Can't read my

Finish it easy peesy lemon squeezy
if yall get this wrong no brainliest

What do states primarily use their reserved powers to regulate? a. services related to national citizenship b. issues that affect day-to-day life for state residents c. issues involving taxation d. issues that affect states' interaction with the federal government

Powers of states the first letter of the answer is r.

What type of monarch was fredrick the great ?