a car is traveling 20 kilometers an hour. it turns sligthly to the left at 20 kilometers per hour. the action that he car takes changes its

After some careful thinking it is definitely Velocity not its speed because the speed stays the same when turning as stated in the question.

in an absolute  monarchy, the  monarchrules as an autocrat, with absolutepower  over the state and government — for example, the right to rule by decree, promulgate laws, and impose punishments. the  monarch isnominally sovereign but the electorate, through their legislature, exercise political sovereignty.