One similarity thing between the both is that they both lowered the population of Europe.
Hope this helped. Have a great day! :D
Tundras and deserts have a number of similarities such as their lack of water or how organisms that inhabit them are have special features to survive their extreme weather. Both are nearly unsustainable for human life and have just like the tundra, deserts have freezing temperatures at night.
Cash crops, like fruits and coffee