<span>the correct response would be that the historian is using "research skills", since he must find out the exact order of events. </span>
There are four primary types of economic systems in the world: traditional, command, market and mixed. Each economy has its strengths and weaknesses, its sub-economies and tendencies, and, of course, a troubled history.
I also need 3 crowns for my next rank, so if this helped, mark me as Brainliest if you can.
