One would travel north northeast of Phoenix to reach the Painted Desert.
North northeast.
Most houses in the desert are painted white as white reflects the heat and does not allow for the walls to absorb it. On the other hand a black house would absorb all heat and the house would be a lot hotter then if it was painted white.
Northeast
That would depend upon where you are traveling from and the method of travel.
lots of water and a hat Sunscreen, water, hat... what ever you wish to add. But don't miss the travel safari in desert. I would suggest you to travel the desert region in Rajasthan, India. Desert festival is very famous out there and you can also enjoy the camel safari.
to trade
North.
You would have to travel all the way to North Africa to encounter a desert south of Rome.
No, you will, however, travel through part of the Colorado Plateau Desert. To pass through the Mojave Desert a person would have to drive a considerable distance out of their way.
arizona
There is no geographical feature which most people would describe as a 'desert' in the US state of Missouri.