They prevented people from leaving China because the desert were so hard to cross.(ANSWER D) Gobi desert was dangerous and dry, water available was little since oasis were rare. The Taklamakan desert has strorms with whip up frequency The day boils hot while the night freeze cold .In addition it has poisonous snake.
The correct answer to the question is Ivan the Terrible
There was no outcry because almost all of them were dead.
Hi! I think there's no image of the chart but I'd like to answer about the Columbian exchange that might be the answer. The Columbian Exchange started was the widespread of trading of Americans and Afro-Asians and was followed by the voyage of Christopher Columbus to the Americas in 1492. They were exchanging plants, animals, technology, ideas, diseases and human populations.