The largest desert on earth is the Sahara Desert in Northern Africa. The Sahara is 9,400,000 km2.
You see how much the scale is, let's say that it is 150 mm=300 miles. If it goes over, you can measure it with a ruler, or move with your hands, measuring it as well as possible and estimating. Hope this helps! :)
D) It was in the middle of an economic boom
